Home / 4,139.97-5,712.64-2,461.44

Finding the Fourth Proportional to 4,139.97, 5,712.64 and 2,461.44

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Solution

The fourth proportional to 4,139.97, 5,712.64 and 2,461.44 is: 3,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.97 : 5,712.64 = 2,461.44 : x
  2. Step 2: Convert to fraction form
    4,139.97/5,712.64 = 2,461.44/x
  3. Step 3: Cross multiply
    4,139.97x = 5,712.64 × 2,461.44
  4. Step 4: Simplify right side
    4,139.97x = 14,061,320.60
  5. Step 5: Solve for x
    x = 14,061,320.60/4,139.97
  6. Step 6: Final answer
    x = 3,396.48

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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.