Home / 2,587.52-3,883.10-1,402.90

Finding the Fourth Proportional to 2,587.52, 3,883.10 and 1,402.90

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Solution

The fourth proportional to 2,587.52, 3,883.10 and 1,402.90 is: 2,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.52 : 3,883.10 = 1,402.90 : x
  2. Step 2: Convert to fraction form
    2,587.52/3,883.10 = 1,402.90/x
  3. Step 3: Cross multiply
    2,587.52x = 3,883.10 × 1,402.90
  4. Step 4: Simplify right side
    2,587.52x = 5,447,600.99
  5. Step 5: Solve for x
    x = 5,447,600.99/2,587.52
  6. Step 6: Final answer
    x = 2,105.34

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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.