Home / 1,545.28-2,314.14-1,283.65

Finding the Fourth Proportional to 1,545.28, 2,314.14 and 1,283.65

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Solution

The fourth proportional to 1,545.28, 2,314.14 and 1,283.65 is: 1,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.28 : 2,314.14 = 1,283.65 : x
  2. Step 2: Convert to fraction form
    1,545.28/2,314.14 = 1,283.65/x
  3. Step 3: Cross multiply
    1,545.28x = 2,314.14 × 1,283.65
  4. Step 4: Simplify right side
    1,545.28x = 2,970,535.21
  5. Step 5: Solve for x
    x = 2,970,535.21/1,545.28
  6. Step 6: Final answer
    x = 1,922.33

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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.