Home / 1,965.16-2,711.19-1,125.26

Finding the Fourth Proportional to 1,965.16, 2,711.19 and 1,125.26

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Solution

The fourth proportional to 1,965.16, 2,711.19 and 1,125.26 is: 1,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.16 : 2,711.19 = 1,125.26 : x
  2. Step 2: Convert to fraction form
    1,965.16/2,711.19 = 1,125.26/x
  3. Step 3: Cross multiply
    1,965.16x = 2,711.19 × 1,125.26
  4. Step 4: Simplify right side
    1,965.16x = 3,050,774.48
  5. Step 5: Solve for x
    x = 3,050,774.48/1,965.16
  6. Step 6: Final answer
    x = 1,552.43

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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.