Home / 3,222.47-4,434.13-3,126.18

Finding the Fourth Proportional to 3,222.47, 4,434.13 and 3,126.18

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Solution

The fourth proportional to 3,222.47, 4,434.13 and 3,126.18 is: 4,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.47 : 4,434.13 = 3,126.18 : x
  2. Step 2: Convert to fraction form
    3,222.47/4,434.13 = 3,126.18/x
  3. Step 3: Cross multiply
    3,222.47x = 4,434.13 × 3,126.18
  4. Step 4: Simplify right side
    3,222.47x = 13,861,891.47
  5. Step 5: Solve for x
    x = 13,861,891.47/3,222.47
  6. Step 6: Final answer
    x = 4,301.63

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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.