Home / 1,965.15-2,711.22-1,125.27

Finding the Fourth Proportional to 1,965.15, 2,711.22 and 1,125.27

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Solution

The fourth proportional to 1,965.15, 2,711.22 and 1,125.27 is: 1,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.15 : 2,711.22 = 1,125.27 : x
  2. Step 2: Convert to fraction form
    1,965.15/2,711.22 = 1,125.27/x
  3. Step 3: Cross multiply
    1,965.15x = 2,711.22 × 1,125.27
  4. Step 4: Simplify right side
    1,965.15x = 3,050,854.53
  5. Step 5: Solve for x
    x = 3,050,854.53/1,965.15
  6. Step 6: Final answer
    x = 1,552.48

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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.