Home / 3,148.38-4,715.28-1,585.92

Finding the Fourth Proportional to 3,148.38, 4,715.28 and 1,585.92

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Solution

The fourth proportional to 3,148.38, 4,715.28 and 1,585.92 is: 2,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.38 : 4,715.28 = 1,585.92 : x
  2. Step 2: Convert to fraction form
    3,148.38/4,715.28 = 1,585.92/x
  3. Step 3: Cross multiply
    3,148.38x = 4,715.28 × 1,585.92
  4. Step 4: Simplify right side
    3,148.38x = 7,478,056.86
  5. Step 5: Solve for x
    x = 7,478,056.86/3,148.38
  6. Step 6: Final answer
    x = 2,375.21

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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.