Home / 4,207.68-5,806.89-2,439.90

Finding the Fourth Proportional to 4,207.68, 5,806.89 and 2,439.90

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Solution

The fourth proportional to 4,207.68, 5,806.89 and 2,439.90 is: 3,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.68 : 5,806.89 = 2,439.90 : x
  2. Step 2: Convert to fraction form
    4,207.68/5,806.89 = 2,439.90/x
  3. Step 3: Cross multiply
    4,207.68x = 5,806.89 × 2,439.90
  4. Step 4: Simplify right side
    4,207.68x = 14,168,230.91
  5. Step 5: Solve for x
    x = 14,168,230.91/4,207.68
  6. Step 6: Final answer
    x = 3,367.23

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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.