Home / 3,952.47-5,455.17-2,275.01

Finding the Fourth Proportional to 3,952.47, 5,455.17 and 2,275.01

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Solution

The fourth proportional to 3,952.47, 5,455.17 and 2,275.01 is: 3,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.47 : 5,455.17 = 2,275.01 : x
  2. Step 2: Convert to fraction form
    3,952.47/5,455.17 = 2,275.01/x
  3. Step 3: Cross multiply
    3,952.47x = 5,455.17 × 2,275.01
  4. Step 4: Simplify right side
    3,952.47x = 12,410,566.30
  5. Step 5: Solve for x
    x = 12,410,566.30/3,952.47
  6. Step 6: Final answer
    x = 3,139.95

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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.