Home / 3,712.59-5,568.98-1,247.49

Finding the Fourth Proportional to 3,712.59, 5,568.98 and 1,247.49

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Solution

The fourth proportional to 3,712.59, 5,568.98 and 1,247.49 is: 1,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.59 : 5,568.98 = 1,247.49 : x
  2. Step 2: Convert to fraction form
    3,712.59/5,568.98 = 1,247.49/x
  3. Step 3: Cross multiply
    3,712.59x = 5,568.98 × 1,247.49
  4. Step 4: Simplify right side
    3,712.59x = 6,947,240.62
  5. Step 5: Solve for x
    x = 6,947,240.62/3,712.59
  6. Step 6: Final answer
    x = 1,871.27

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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.