Home / 2,625.45-3,939.09-1,165.63

Finding the Fourth Proportional to 2,625.45, 3,939.09 and 1,165.63

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Solution

The fourth proportional to 2,625.45, 3,939.09 and 1,165.63 is: 1,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.45 : 3,939.09 = 1,165.63 : x
  2. Step 2: Convert to fraction form
    2,625.45/3,939.09 = 1,165.63/x
  3. Step 3: Cross multiply
    2,625.45x = 3,939.09 × 1,165.63
  4. Step 4: Simplify right side
    2,625.45x = 4,591,521.48
  5. Step 5: Solve for x
    x = 4,591,521.48/2,625.45
  6. Step 6: Final answer
    x = 1,748.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.