Home / 3,966.55-5,473.93-2,174.20

Finding the Fourth Proportional to 3,966.55, 5,473.93 and 2,174.20

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Solution

The fourth proportional to 3,966.55, 5,473.93 and 2,174.20 is: 3,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.55 : 5,473.93 = 2,174.20 : x
  2. Step 2: Convert to fraction form
    3,966.55/5,473.93 = 2,174.20/x
  3. Step 3: Cross multiply
    3,966.55x = 5,473.93 × 2,174.20
  4. Step 4: Simplify right side
    3,966.55x = 11,901,418.61
  5. Step 5: Solve for x
    x = 11,901,418.61/3,966.55
  6. Step 6: Final answer
    x = 3,000.45

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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.