Home / 2,720.18-4,053.27-2,587.95

Finding the Fourth Proportional to 2,720.18, 4,053.27 and 2,587.95

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Solution

The fourth proportional to 2,720.18, 4,053.27 and 2,587.95 is: 3,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.18 : 4,053.27 = 2,587.95 : x
  2. Step 2: Convert to fraction form
    2,720.18/4,053.27 = 2,587.95/x
  3. Step 3: Cross multiply
    2,720.18x = 4,053.27 × 2,587.95
  4. Step 4: Simplify right side
    2,720.18x = 10,489,660.10
  5. Step 5: Solve for x
    x = 10,489,660.10/2,720.18
  6. Step 6: Final answer
    x = 3,856.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.