Home / 4,116.79-5,680.96-2,438.71

Finding the Fourth Proportional to 4,116.79, 5,680.96 and 2,438.71

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Solution

The fourth proportional to 4,116.79, 5,680.96 and 2,438.71 is: 3,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.79 : 5,680.96 = 2,438.71 : x
  2. Step 2: Convert to fraction form
    4,116.79/5,680.96 = 2,438.71/x
  3. Step 3: Cross multiply
    4,116.79x = 5,680.96 × 2,438.71
  4. Step 4: Simplify right side
    4,116.79x = 13,854,213.96
  5. Step 5: Solve for x
    x = 13,854,213.96/4,116.79
  6. Step 6: Final answer
    x = 3,365.30

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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.