Home / 1,545.60-2,134.40-1,452.80

Finding the Fourth Proportional to 1,545.60, 2,134.40 and 1,452.80

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Solution

The fourth proportional to 1,545.60, 2,134.40 and 1,452.80 is: 2,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.60 : 2,134.40 = 1,452.80 : x
  2. Step 2: Convert to fraction form
    1,545.60/2,134.40 = 1,452.80/x
  3. Step 3: Cross multiply
    1,545.60x = 2,134.40 × 1,452.80
  4. Step 4: Simplify right side
    1,545.60x = 3,100,856.32
  5. Step 5: Solve for x
    x = 3,100,856.32/1,545.60
  6. Step 6: Final answer
    x = 2,006.25

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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.