Home / 4,117.97-5,682.88-2,438.76

Finding the Fourth Proportional to 4,117.97, 5,682.88 and 2,438.76

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Solution

The fourth proportional to 4,117.97, 5,682.88 and 2,438.76 is: 3,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.97 : 5,682.88 = 2,438.76 : x
  2. Step 2: Convert to fraction form
    4,117.97/5,682.88 = 2,438.76/x
  3. Step 3: Cross multiply
    4,117.97x = 5,682.88 × 2,438.76
  4. Step 4: Simplify right side
    4,117.97x = 13,859,180.43
  5. Step 5: Solve for x
    x = 13,859,180.43/4,117.97
  6. Step 6: Final answer
    x = 3,365.54

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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.