Home / 2,545.34-3,815.66-1,765.71

Finding the Fourth Proportional to 2,545.34, 3,815.66 and 1,765.71

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Solution

The fourth proportional to 2,545.34, 3,815.66 and 1,765.71 is: 2,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.34 : 3,815.66 = 1,765.71 : x
  2. Step 2: Convert to fraction form
    2,545.34/3,815.66 = 1,765.71/x
  3. Step 3: Cross multiply
    2,545.34x = 3,815.66 × 1,765.71
  4. Step 4: Simplify right side
    2,545.34x = 6,737,350.12
  5. Step 5: Solve for x
    x = 6,737,350.12/2,545.34
  6. Step 6: Final answer
    x = 2,646.93

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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.