Home / 2,522.98-3,481.62-1,403.88

Finding the Fourth Proportional to 2,522.98, 3,481.62 and 1,403.88

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Solution

The fourth proportional to 2,522.98, 3,481.62 and 1,403.88 is: 1,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.98 : 3,481.62 = 1,403.88 : x
  2. Step 2: Convert to fraction form
    2,522.98/3,481.62 = 1,403.88/x
  3. Step 3: Cross multiply
    2,522.98x = 3,481.62 × 1,403.88
  4. Step 4: Simplify right side
    2,522.98x = 4,887,776.69
  5. Step 5: Solve for x
    x = 4,887,776.69/2,522.98
  6. Step 6: Final answer
    x = 1,937.30

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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.