Home / 1,545.97-2,325.44-1,286.77

Finding the Fourth Proportional to 1,545.97, 2,325.44 and 1,286.77

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Solution

The fourth proportional to 1,545.97, 2,325.44 and 1,286.77 is: 1,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.97 : 2,325.44 = 1,286.77 : x
  2. Step 2: Convert to fraction form
    1,545.97/2,325.44 = 1,286.77/x
  3. Step 3: Cross multiply
    1,545.97x = 2,325.44 × 1,286.77
  4. Step 4: Simplify right side
    1,545.97x = 2,992,299.99
  5. Step 5: Solve for x
    x = 2,992,299.99/1,545.97
  6. Step 6: Final answer
    x = 1,935.55

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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.