Home / 3,278.91-4,525.41-1,862.76

Finding the Fourth Proportional to 3,278.91, 4,525.41 and 1,862.76

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Solution

The fourth proportional to 3,278.91, 4,525.41 and 1,862.76 is: 2,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.91 : 4,525.41 = 1,862.76 : x
  2. Step 2: Convert to fraction form
    3,278.91/4,525.41 = 1,862.76/x
  3. Step 3: Cross multiply
    3,278.91x = 4,525.41 × 1,862.76
  4. Step 4: Simplify right side
    3,278.91x = 8,429,752.73
  5. Step 5: Solve for x
    x = 8,429,752.73/3,278.91
  6. Step 6: Final answer
    x = 2,570.90

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Double scale
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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.