Home / 3,943.05-5,439.63-2,264.04

Finding the Fourth Proportional to 3,943.05, 5,439.63 and 2,264.04

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Solution

The fourth proportional to 3,943.05, 5,439.63 and 2,264.04 is: 3,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.05 : 5,439.63 = 2,264.04 : x
  2. Step 2: Convert to fraction form
    3,943.05/5,439.63 = 2,264.04/x
  3. Step 3: Cross multiply
    3,943.05x = 5,439.63 × 2,264.04
  4. Step 4: Simplify right side
    3,943.05x = 12,315,539.91
  5. Step 5: Solve for x
    x = 12,315,539.91/3,943.05
  6. Step 6: Final answer
    x = 3,123.35

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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.