Home / 2,615.24-3,941.66-2,254.38

Finding the Fourth Proportional to 2,615.24, 3,941.66 and 2,254.38

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Solution

The fourth proportional to 2,615.24, 3,941.66 and 2,254.38 is: 3,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.24 : 3,941.66 = 2,254.38 : x
  2. Step 2: Convert to fraction form
    2,615.24/3,941.66 = 2,254.38/x
  3. Step 3: Cross multiply
    2,615.24x = 3,941.66 × 2,254.38
  4. Step 4: Simplify right side
    2,615.24x = 8,885,988.20
  5. Step 5: Solve for x
    x = 8,885,988.20/2,615.24
  6. Step 6: Final answer
    x = 3,397.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.