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Finding the Fourth Proportional to 3,327.40, 4,981.02 and 2,031.40

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Solution

The fourth proportional to 3,327.40, 4,981.02 and 2,031.40 is: 3,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.40 : 4,981.02 = 2,031.40 : x
  2. Step 2: Convert to fraction form
    3,327.40/4,981.02 = 2,031.40/x
  3. Step 3: Cross multiply
    3,327.40x = 4,981.02 × 2,031.40
  4. Step 4: Simplify right side
    3,327.40x = 10,118,444.03
  5. Step 5: Solve for x
    x = 10,118,444.03/3,327.40
  6. Step 6: Final answer
    x = 3,040.95

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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.