Home / 3,427.16-4,732.14-2,679.80

Finding the Fourth Proportional to 3,427.16, 4,732.14 and 2,679.80

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Solution

The fourth proportional to 3,427.16, 4,732.14 and 2,679.80 is: 3,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.16 : 4,732.14 = 2,679.80 : x
  2. Step 2: Convert to fraction form
    3,427.16/4,732.14 = 2,679.80/x
  3. Step 3: Cross multiply
    3,427.16x = 4,732.14 × 2,679.80
  4. Step 4: Simplify right side
    3,427.16x = 12,681,188.77
  5. Step 5: Solve for x
    x = 12,681,188.77/3,427.16
  6. Step 6: Final answer
    x = 3,700.20

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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.