Home / 3,646.28-5,470.91-1,672.85

Finding the Fourth Proportional to 3,646.28, 5,470.91 and 1,672.85

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Solution

The fourth proportional to 3,646.28, 5,470.91 and 1,672.85 is: 2,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.28 : 5,470.91 = 1,672.85 : x
  2. Step 2: Convert to fraction form
    3,646.28/5,470.91 = 1,672.85/x
  3. Step 3: Cross multiply
    3,646.28x = 5,470.91 × 1,672.85
  4. Step 4: Simplify right side
    3,646.28x = 9,152,023.38
  5. Step 5: Solve for x
    x = 9,152,023.38/3,646.28
  6. Step 6: Final answer
    x = 2,509.96

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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.