Home / 3,952.47-5,454.77-2,184.42

Finding the Fourth Proportional to 3,952.47, 5,454.77 and 2,184.42

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Solution

The fourth proportional to 3,952.47, 5,454.77 and 2,184.42 is: 3,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.47 : 5,454.77 = 2,184.42 : x
  2. Step 2: Convert to fraction form
    3,952.47/5,454.77 = 2,184.42/x
  3. Step 3: Cross multiply
    3,952.47x = 5,454.77 × 2,184.42
  4. Step 4: Simplify right side
    3,952.47x = 11,915,497.76
  5. Step 5: Solve for x
    x = 11,915,497.76/3,952.47
  6. Step 6: Final answer
    x = 3,014.70

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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.