Home / 1,877.33-2,590.55-1,080.61

Finding the Fourth Proportional to 1,877.33, 2,590.55 and 1,080.61

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Solution

The fourth proportional to 1,877.33, 2,590.55 and 1,080.61 is: 1,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.33 : 2,590.55 = 1,080.61 : x
  2. Step 2: Convert to fraction form
    1,877.33/2,590.55 = 1,080.61/x
  3. Step 3: Cross multiply
    1,877.33x = 2,590.55 × 1,080.61
  4. Step 4: Simplify right side
    1,877.33x = 2,799,374.24
  5. Step 5: Solve for x
    x = 2,799,374.24/1,877.33
  6. Step 6: Final answer
    x = 1,491.15

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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.