Home / 1,877.43-2,591.52-1,320.96

Finding the Fourth Proportional to 1,877.43, 2,591.52 and 1,320.96

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Solution

The fourth proportional to 1,877.43, 2,591.52 and 1,320.96 is: 1,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.43 : 2,591.52 = 1,320.96 : x
  2. Step 2: Convert to fraction form
    1,877.43/2,591.52 = 1,320.96/x
  3. Step 3: Cross multiply
    1,877.43x = 2,591.52 × 1,320.96
  4. Step 4: Simplify right side
    1,877.43x = 3,423,294.26
  5. Step 5: Solve for x
    x = 3,423,294.26/1,877.43
  6. Step 6: Final answer
    x = 1,823.39

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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.