Home / 1,545.26-2,134.30-1,047.04

Finding the Fourth Proportional to 1,545.26, 2,134.30 and 1,047.04

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Solution

The fourth proportional to 1,545.26, 2,134.30 and 1,047.04 is: 1,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.26 : 2,134.30 = 1,047.04 : x
  2. Step 2: Convert to fraction form
    1,545.26/2,134.30 = 1,047.04/x
  3. Step 3: Cross multiply
    1,545.26x = 2,134.30 × 1,047.04
  4. Step 4: Simplify right side
    1,545.26x = 2,234,697.47
  5. Step 5: Solve for x
    x = 2,234,697.47/1,545.26
  6. Step 6: Final answer
    x = 1,446.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.