Home / 4,116.78-5,679.75-2,438.73

Finding the Fourth Proportional to 4,116.78, 5,679.75 and 2,438.73

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Solution

The fourth proportional to 4,116.78, 5,679.75 and 2,438.73 is: 3,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.78 : 5,679.75 = 2,438.73 : x
  2. Step 2: Convert to fraction form
    4,116.78/5,679.75 = 2,438.73/x
  3. Step 3: Cross multiply
    4,116.78x = 5,679.75 × 2,438.73
  4. Step 4: Simplify right side
    4,116.78x = 13,851,385.86
  5. Step 5: Solve for x
    x = 13,851,385.86/4,116.78
  6. Step 6: Final answer
    x = 3,364.62

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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.