Home / 3,061.23-4,218.43-2,174.55

Finding the Fourth Proportional to 3,061.23, 4,218.43 and 2,174.55

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Solution

The fourth proportional to 3,061.23, 4,218.43 and 2,174.55 is: 2,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.23 : 4,218.43 = 2,174.55 : x
  2. Step 2: Convert to fraction form
    3,061.23/4,218.43 = 2,174.55/x
  3. Step 3: Cross multiply
    3,061.23x = 4,218.43 × 2,174.55
  4. Step 4: Simplify right side
    3,061.23x = 9,173,186.96
  5. Step 5: Solve for x
    x = 9,173,186.96/3,061.23
  6. Step 6: Final answer
    x = 2,996.57

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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.