Home / 1,625.06-2,239.11-1,126.85

Finding the Fourth Proportional to 1,625.06, 2,239.11 and 1,126.85

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Solution

The fourth proportional to 1,625.06, 2,239.11 and 1,126.85 is: 1,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.06 : 2,239.11 = 1,126.85 : x
  2. Step 2: Convert to fraction form
    1,625.06/2,239.11 = 1,126.85/x
  3. Step 3: Cross multiply
    1,625.06x = 2,239.11 × 1,126.85
  4. Step 4: Simplify right side
    1,625.06x = 2,523,129.91
  5. Step 5: Solve for x
    x = 2,523,129.91/1,625.06
  6. Step 6: Final answer
    x = 1,552.64

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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.