Home / 3,785.17-5,677.57-1,152.56

Finding the Fourth Proportional to 3,785.17, 5,677.57 and 1,152.56

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Solution

The fourth proportional to 3,785.17, 5,677.57 and 1,152.56 is: 1,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.17 : 5,677.57 = 1,152.56 : x
  2. Step 2: Convert to fraction form
    3,785.17/5,677.57 = 1,152.56/x
  3. Step 3: Cross multiply
    3,785.17x = 5,677.57 × 1,152.56
  4. Step 4: Simplify right side
    3,785.17x = 6,543,740.08
  5. Step 5: Solve for x
    x = 6,543,740.08/3,785.17
  6. Step 6: Final answer
    x = 1,728.78

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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.