Home / 3,275.97-4,518.93-2,156.52

Finding the Fourth Proportional to 3,275.97, 4,518.93 and 2,156.52

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Solution

The fourth proportional to 3,275.97, 4,518.93 and 2,156.52 is: 2,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.97 : 4,518.93 = 2,156.52 : x
  2. Step 2: Convert to fraction form
    3,275.97/4,518.93 = 2,156.52/x
  3. Step 3: Cross multiply
    3,275.97x = 4,518.93 × 2,156.52
  4. Step 4: Simplify right side
    3,275.97x = 9,745,162.92
  5. Step 5: Solve for x
    x = 9,745,162.92/3,275.97
  6. Step 6: Final answer
    x = 2,974.74

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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.