Home / 3,278.98-4,521.06-2,679.25

Finding the Fourth Proportional to 3,278.98, 4,521.06 and 2,679.25

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Solution

The fourth proportional to 3,278.98, 4,521.06 and 2,679.25 is: 3,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.98 : 4,521.06 = 2,679.25 : x
  2. Step 2: Convert to fraction form
    3,278.98/4,521.06 = 2,679.25/x
  3. Step 3: Cross multiply
    3,278.98x = 4,521.06 × 2,679.25
  4. Step 4: Simplify right side
    3,278.98x = 12,113,050.01
  5. Step 5: Solve for x
    x = 12,113,050.01/3,278.98
  6. Step 6: Final answer
    x = 3,694.15

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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.