Home / 1,950.31-2,691.12-1,110.55

Finding the Fourth Proportional to 1,950.31, 2,691.12 and 1,110.55

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Solution

The fourth proportional to 1,950.31, 2,691.12 and 1,110.55 is: 1,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.31 : 2,691.12 = 1,110.55 : x
  2. Step 2: Convert to fraction form
    1,950.31/2,691.12 = 1,110.55/x
  3. Step 3: Cross multiply
    1,950.31x = 2,691.12 × 1,110.55
  4. Step 4: Simplify right side
    1,950.31x = 2,988,609.86
  5. Step 5: Solve for x
    x = 2,988,609.86/1,950.31
  6. Step 6: Final answer
    x = 1,532.38

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1.5x scale

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.