Home / 3,154.95-4,356.99-2,600.91

Finding the Fourth Proportional to 3,154.95, 4,356.99 and 2,600.91

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Solution

The fourth proportional to 3,154.95, 4,356.99 and 2,600.91 is: 3,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.95 : 4,356.99 = 2,600.91 : x
  2. Step 2: Convert to fraction form
    3,154.95/4,356.99 = 2,600.91/x
  3. Step 3: Cross multiply
    3,154.95x = 4,356.99 × 2,600.91
  4. Step 4: Simplify right side
    3,154.95x = 11,332,138.86
  5. Step 5: Solve for x
    x = 11,332,138.86/3,154.95
  6. Step 6: Final answer
    x = 3,591.86

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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.