Home / 3,039.40-4,559.10-1,982.35

Finding the Fourth Proportional to 3,039.40, 4,559.10 and 1,982.35

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Solution

The fourth proportional to 3,039.40, 4,559.10 and 1,982.35 is: 2,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.40 : 4,559.10 = 1,982.35 : x
  2. Step 2: Convert to fraction form
    3,039.40/4,559.10 = 1,982.35/x
  3. Step 3: Cross multiply
    3,039.40x = 4,559.10 × 1,982.35
  4. Step 4: Simplify right side
    3,039.40x = 9,037,731.89
  5. Step 5: Solve for x
    x = 9,037,731.89/3,039.40
  6. Step 6: Final answer
    x = 2,973.53

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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.