Home / 3,440.98-5,135.46-3,108.83

Finding the Fourth Proportional to 3,440.98, 5,135.46 and 3,108.83

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Solution

The fourth proportional to 3,440.98, 5,135.46 and 3,108.83 is: 4,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.98 : 5,135.46 = 3,108.83 : x
  2. Step 2: Convert to fraction form
    3,440.98/5,135.46 = 3,108.83/x
  3. Step 3: Cross multiply
    3,440.98x = 5,135.46 × 3,108.83
  4. Step 4: Simplify right side
    3,440.98x = 15,965,246.43
  5. Step 5: Solve for x
    x = 15,965,246.43/3,440.98
  6. Step 6: Final answer
    x = 4,639.74

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Half scale
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Double scale
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1.5x scale

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.