Home / 3,449.13-5,173.70-1,985.27

Finding the Fourth Proportional to 3,449.13, 5,173.70 and 1,985.27

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Solution

The fourth proportional to 3,449.13, 5,173.70 and 1,985.27 is: 2,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.13 : 5,173.70 = 1,985.27 : x
  2. Step 2: Convert to fraction form
    3,449.13/5,173.70 = 1,985.27/x
  3. Step 3: Cross multiply
    3,449.13x = 5,173.70 × 1,985.27
  4. Step 4: Simplify right side
    3,449.13x = 10,271,155.60
  5. Step 5: Solve for x
    x = 10,271,155.60/3,449.13
  6. Step 6: Final answer
    x = 2,977.90

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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.