Home / 3,954.02-5,456.10-2,275.52

Finding the Fourth Proportional to 3,954.02, 5,456.10 and 2,275.52

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Solution

The fourth proportional to 3,954.02, 5,456.10 and 2,275.52 is: 3,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.02 : 5,456.10 = 2,275.52 : x
  2. Step 2: Convert to fraction form
    3,954.02/5,456.10 = 2,275.52/x
  3. Step 3: Cross multiply
    3,954.02x = 5,456.10 × 2,275.52
  4. Step 4: Simplify right side
    3,954.02x = 12,415,464.67
  5. Step 5: Solve for x
    x = 12,415,464.67/3,954.02
  6. Step 6: Final answer
    x = 3,139.96

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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.