Home / 2,505.90-3,759.20-1,044.72

Finding the Fourth Proportional to 2,505.90, 3,759.20 and 1,044.72

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Solution

The fourth proportional to 2,505.90, 3,759.20 and 1,044.72 is: 1,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.90 : 3,759.20 = 1,044.72 : x
  2. Step 2: Convert to fraction form
    2,505.90/3,759.20 = 1,044.72/x
  3. Step 3: Cross multiply
    2,505.90x = 3,759.20 × 1,044.72
  4. Step 4: Simplify right side
    2,505.90x = 3,927,287.40
  5. Step 5: Solve for x
    x = 3,927,287.40/2,505.90
  6. Step 6: Final answer
    x = 1,567.22

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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.