Home / 1,545.57-2,132.28-1,014.66

Finding the Fourth Proportional to 1,545.57, 2,132.28 and 1,014.66

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Solution

The fourth proportional to 1,545.57, 2,132.28 and 1,014.66 is: 1,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.57 : 2,132.28 = 1,014.66 : x
  2. Step 2: Convert to fraction form
    1,545.57/2,132.28 = 1,014.66/x
  3. Step 3: Cross multiply
    1,545.57x = 2,132.28 × 1,014.66
  4. Step 4: Simplify right side
    1,545.57x = 2,163,539.22
  5. Step 5: Solve for x
    x = 2,163,539.22/1,545.57
  6. Step 6: Final answer
    x = 1,399.83

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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.