Home / 3,715.64-5,574.31-1,250.39

Finding the Fourth Proportional to 3,715.64, 5,574.31 and 1,250.39

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Solution

The fourth proportional to 3,715.64, 5,574.31 and 1,250.39 is: 1,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.64 : 5,574.31 = 1,250.39 : x
  2. Step 2: Convert to fraction form
    3,715.64/5,574.31 = 1,250.39/x
  3. Step 3: Cross multiply
    3,715.64x = 5,574.31 × 1,250.39
  4. Step 4: Simplify right side
    3,715.64x = 6,970,078.54
  5. Step 5: Solve for x
    x = 6,970,078.54/3,715.64
  6. Step 6: Final answer
    x = 1,875.88

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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.