Home / 3,141.38-4,334.99-1,881.71

Finding the Fourth Proportional to 3,141.38, 4,334.99 and 1,881.71

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Solution

The fourth proportional to 3,141.38, 4,334.99 and 1,881.71 is: 2,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.38 : 4,334.99 = 1,881.71 : x
  2. Step 2: Convert to fraction form
    3,141.38/4,334.99 = 1,881.71/x
  3. Step 3: Cross multiply
    3,141.38x = 4,334.99 × 1,881.71
  4. Step 4: Simplify right side
    3,141.38x = 8,157,182.89
  5. Step 5: Solve for x
    x = 8,157,182.89/3,141.38
  6. Step 6: Final answer
    x = 2,596.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.