Home / 3,264.20-4,892.95-1,289.03

Finding the Fourth Proportional to 3,264.20, 4,892.95 and 1,289.03

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Solution

The fourth proportional to 3,264.20, 4,892.95 and 1,289.03 is: 1,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.20 : 4,892.95 = 1,289.03 : x
  2. Step 2: Convert to fraction form
    3,264.20/4,892.95 = 1,289.03/x
  3. Step 3: Cross multiply
    3,264.20x = 4,892.95 × 1,289.03
  4. Step 4: Simplify right side
    3,264.20x = 6,307,159.52
  5. Step 5: Solve for x
    x = 6,307,159.52/3,264.20
  6. Step 6: Final answer
    x = 1,932.22

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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.