Home / 4,043.16-5,574.24-2,781.90

Finding the Fourth Proportional to 4,043.16, 5,574.24 and 2,781.90

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Solution

The fourth proportional to 4,043.16, 5,574.24 and 2,781.90 is: 3,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.16 : 5,574.24 = 2,781.90 : x
  2. Step 2: Convert to fraction form
    4,043.16/5,574.24 = 2,781.90/x
  3. Step 3: Cross multiply
    4,043.16x = 5,574.24 × 2,781.90
  4. Step 4: Simplify right side
    4,043.16x = 15,506,978.26
  5. Step 5: Solve for x
    x = 15,506,978.26/4,043.16
  6. Step 6: Final answer
    x = 3,835.36

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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.