Home / 3,256.49-4,494.17-3,138.85

Finding the Fourth Proportional to 3,256.49, 4,494.17 and 3,138.85

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Solution

The fourth proportional to 3,256.49, 4,494.17 and 3,138.85 is: 4,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.49 : 4,494.17 = 3,138.85 : x
  2. Step 2: Convert to fraction form
    3,256.49/4,494.17 = 3,138.85/x
  3. Step 3: Cross multiply
    3,256.49x = 4,494.17 × 3,138.85
  4. Step 4: Simplify right side
    3,256.49x = 14,106,521.31
  5. Step 5: Solve for x
    x = 14,106,521.31/3,256.49
  6. Step 6: Final answer
    x = 4,331.82

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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.