Home / 3,099.90-4,275.36-2,726.10

Finding the Fourth Proportional to 3,099.90, 4,275.36 and 2,726.10

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Solution

The fourth proportional to 3,099.90, 4,275.36 and 2,726.10 is: 3,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.90 : 4,275.36 = 2,726.10 : x
  2. Step 2: Convert to fraction form
    3,099.90/4,275.36 = 2,726.10/x
  3. Step 3: Cross multiply
    3,099.90x = 4,275.36 × 2,726.10
  4. Step 4: Simplify right side
    3,099.90x = 11,655,058.90
  5. Step 5: Solve for x
    x = 11,655,058.90/3,099.90
  6. Step 6: Final answer
    x = 3,759.82

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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.