Home / 4,139.90-5,712.43-2,461.27

Finding the Fourth Proportional to 4,139.90, 5,712.43 and 2,461.27

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Solution

The fourth proportional to 4,139.90, 5,712.43 and 2,461.27 is: 3,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.90 : 5,712.43 = 2,461.27 : x
  2. Step 2: Convert to fraction form
    4,139.90/5,712.43 = 2,461.27/x
  3. Step 3: Cross multiply
    4,139.90x = 5,712.43 × 2,461.27
  4. Step 4: Simplify right side
    4,139.90x = 14,059,832.59
  5. Step 5: Solve for x
    x = 14,059,832.59/4,139.90
  6. Step 6: Final answer
    x = 3,396.18

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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.