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Finding the Fourth Proportional to 1,800.97, 2,699.02 and 1,587.13

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Solution

The fourth proportional to 1,800.97, 2,699.02 and 1,587.13 is: 2,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.97 : 2,699.02 = 1,587.13 : x
  2. Step 2: Convert to fraction form
    1,800.97/2,699.02 = 1,587.13/x
  3. Step 3: Cross multiply
    1,800.97x = 2,699.02 × 1,587.13
  4. Step 4: Simplify right side
    1,800.97x = 4,283,690.85
  5. Step 5: Solve for x
    x = 4,283,690.85/1,800.97
  6. Step 6: Final answer
    x = 2,378.55

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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.