Home / 2,476.14-3,715.65-938.22

Finding the Fourth Proportional to 2,476.14, 3,715.65 and 938.22

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Solution

The fourth proportional to 2,476.14, 3,715.65 and 938.22 is: 1,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.14 : 3,715.65 = 938.22 : x
  2. Step 2: Convert to fraction form
    2,476.14/3,715.65 = 938.22/x
  3. Step 3: Cross multiply
    2,476.14x = 3,715.65 × 938.22
  4. Step 4: Simplify right side
    2,476.14x = 3,486,097.14
  5. Step 5: Solve for x
    x = 3,486,097.14/2,476.14
  6. Step 6: Final answer
    x = 1,407.88

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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.