Home / 3,943.61-5,442.35-2,264.99

Finding the Fourth Proportional to 3,943.61, 5,442.35 and 2,264.99

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Solution

The fourth proportional to 3,943.61, 5,442.35 and 2,264.99 is: 3,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.61 : 5,442.35 = 2,264.99 : x
  2. Step 2: Convert to fraction form
    3,943.61/5,442.35 = 2,264.99/x
  3. Step 3: Cross multiply
    3,943.61x = 5,442.35 × 2,264.99
  4. Step 4: Simplify right side
    3,943.61x = 12,326,857.00
  5. Step 5: Solve for x
    x = 12,326,857.00/3,943.61
  6. Step 6: Final answer
    x = 3,125.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.