Home / 2,495.55-3,443.85-1,447.61

Finding the Fourth Proportional to 2,495.55, 3,443.85 and 1,447.61

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Solution

The fourth proportional to 2,495.55, 3,443.85 and 1,447.61 is: 1,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.55 : 3,443.85 = 1,447.61 : x
  2. Step 2: Convert to fraction form
    2,495.55/3,443.85 = 1,447.61/x
  3. Step 3: Cross multiply
    2,495.55x = 3,443.85 × 1,447.61
  4. Step 4: Simplify right side
    2,495.55x = 4,985,351.70
  5. Step 5: Solve for x
    x = 4,985,351.70/2,495.55
  6. Step 6: Final answer
    x = 1,997.70

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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.