Home / 2,031.52-3,045.05-1,327.87

Finding the Fourth Proportional to 2,031.52, 3,045.05 and 1,327.87

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Solution

The fourth proportional to 2,031.52, 3,045.05 and 1,327.87 is: 1,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.52 : 3,045.05 = 1,327.87 : x
  2. Step 2: Convert to fraction form
    2,031.52/3,045.05 = 1,327.87/x
  3. Step 3: Cross multiply
    2,031.52x = 3,045.05 × 1,327.87
  4. Step 4: Simplify right side
    2,031.52x = 4,043,430.54
  5. Step 5: Solve for x
    x = 4,043,430.54/2,031.52
  6. Step 6: Final answer
    x = 1,990.35

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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.