Home / 3,155.95-4,358.37-2,601.91

Finding the Fourth Proportional to 3,155.95, 4,358.37 and 2,601.91

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Solution

The fourth proportional to 3,155.95, 4,358.37 and 2,601.91 is: 3,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.95 : 4,358.37 = 2,601.91 : x
  2. Step 2: Convert to fraction form
    3,155.95/4,358.37 = 2,601.91/x
  3. Step 3: Cross multiply
    3,155.95x = 4,358.37 × 2,601.91
  4. Step 4: Simplify right side
    3,155.95x = 11,340,086.49
  5. Step 5: Solve for x
    x = 11,340,086.49/3,155.95
  6. Step 6: Final answer
    x = 3,593.24

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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.