Home / 3,561.47-4,913.94-2,218.13

Finding the Fourth Proportional to 3,561.47, 4,913.94 and 2,218.13

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Solution

The fourth proportional to 3,561.47, 4,913.94 and 2,218.13 is: 3,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.47 : 4,913.94 = 2,218.13 : x
  2. Step 2: Convert to fraction form
    3,561.47/4,913.94 = 2,218.13/x
  3. Step 3: Cross multiply
    3,561.47x = 4,913.94 × 2,218.13
  4. Step 4: Simplify right side
    3,561.47x = 10,899,757.73
  5. Step 5: Solve for x
    x = 10,899,757.73/3,561.47
  6. Step 6: Final answer
    x = 3,060.47

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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.