Home / 3,631.70-5,447.55-3,607.40

Finding the Fourth Proportional to 3,631.70, 5,447.55 and 3,607.40

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Solution

The fourth proportional to 3,631.70, 5,447.55 and 3,607.40 is: 5,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.70 : 5,447.55 = 3,607.40 : x
  2. Step 2: Convert to fraction form
    3,631.70/5,447.55 = 3,607.40/x
  3. Step 3: Cross multiply
    3,631.70x = 5,447.55 × 3,607.40
  4. Step 4: Simplify right side
    3,631.70x = 19,651,491.87
  5. Step 5: Solve for x
    x = 19,651,491.87/3,631.70
  6. Step 6: Final answer
    x = 5,411.10

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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.