Home / 3,862.90-5,335.18-2,601.76

Finding the Fourth Proportional to 3,862.90, 5,335.18 and 2,601.76

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Solution

The fourth proportional to 3,862.90, 5,335.18 and 2,601.76 is: 3,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.90 : 5,335.18 = 2,601.76 : x
  2. Step 2: Convert to fraction form
    3,862.90/5,335.18 = 2,601.76/x
  3. Step 3: Cross multiply
    3,862.90x = 5,335.18 × 2,601.76
  4. Step 4: Simplify right side
    3,862.90x = 13,880,857.92
  5. Step 5: Solve for x
    x = 13,880,857.92/3,862.90
  6. Step 6: Final answer
    x = 3,593.38

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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.