Home / 1,950.59-2,691.96-1,111.55

Finding the Fourth Proportional to 1,950.59, 2,691.96 and 1,111.55

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Solution

The fourth proportional to 1,950.59, 2,691.96 and 1,111.55 is: 1,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.59 : 2,691.96 = 1,111.55 : x
  2. Step 2: Convert to fraction form
    1,950.59/2,691.96 = 1,111.55/x
  3. Step 3: Cross multiply
    1,950.59x = 2,691.96 × 1,111.55
  4. Step 4: Simplify right side
    1,950.59x = 2,992,248.14
  5. Step 5: Solve for x
    x = 2,992,248.14/1,950.59
  6. Step 6: Final answer
    x = 1,534.02

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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.