Home / 2,050.31-3,077.52-1,126.65

Finding the Fourth Proportional to 2,050.31, 3,077.52 and 1,126.65

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Solution

The fourth proportional to 2,050.31, 3,077.52 and 1,126.65 is: 1,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.31 : 3,077.52 = 1,126.65 : x
  2. Step 2: Convert to fraction form
    2,050.31/3,077.52 = 1,126.65/x
  3. Step 3: Cross multiply
    2,050.31x = 3,077.52 × 1,126.65
  4. Step 4: Simplify right side
    2,050.31x = 3,467,276.75
  5. Step 5: Solve for x
    x = 3,467,276.75/2,050.31
  6. Step 6: Final answer
    x = 1,691.10

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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.