Home / 3,114.17-4,301.77-2,489.08

Finding the Fourth Proportional to 3,114.17, 4,301.77 and 2,489.08

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Solution

The fourth proportional to 3,114.17, 4,301.77 and 2,489.08 is: 3,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.17 : 4,301.77 = 2,489.08 : x
  2. Step 2: Convert to fraction form
    3,114.17/4,301.77 = 2,489.08/x
  3. Step 3: Cross multiply
    3,114.17x = 4,301.77 × 2,489.08
  4. Step 4: Simplify right side
    3,114.17x = 10,707,450.53
  5. Step 5: Solve for x
    x = 10,707,450.53/3,114.17
  6. Step 6: Final answer
    x = 3,438.30

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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.