Home / 3,436.62-4,728.15-2,649.30

Finding the Fourth Proportional to 3,436.62, 4,728.15 and 2,649.30

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Solution

The fourth proportional to 3,436.62, 4,728.15 and 2,649.30 is: 3,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.62 : 4,728.15 = 2,649.30 : x
  2. Step 2: Convert to fraction form
    3,436.62/4,728.15 = 2,649.30/x
  3. Step 3: Cross multiply
    3,436.62x = 4,728.15 × 2,649.30
  4. Step 4: Simplify right side
    3,436.62x = 12,526,287.80
  5. Step 5: Solve for x
    x = 12,526,287.80/3,436.62
  6. Step 6: Final answer
    x = 3,644.94

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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.