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Finding the Fourth Proportional to 3,449.03, 5,173.52 and 983.85

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Solution

The fourth proportional to 3,449.03, 5,173.52 and 983.85 is: 1,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.03 : 5,173.52 = 983.85 : x
  2. Step 2: Convert to fraction form
    3,449.03/5,173.52 = 983.85/x
  3. Step 3: Cross multiply
    3,449.03x = 5,173.52 × 983.85
  4. Step 4: Simplify right side
    3,449.03x = 5,089,948.87
  5. Step 5: Solve for x
    x = 5,089,948.87/3,449.03
  6. Step 6: Final answer
    x = 1,475.76

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.