Home / 2,262.12-3,388.76-1,559.21

Finding the Fourth Proportional to 2,262.12, 3,388.76 and 1,559.21

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Solution

The fourth proportional to 2,262.12, 3,388.76 and 1,559.21 is: 2,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.12 : 3,388.76 = 1,559.21 : x
  2. Step 2: Convert to fraction form
    2,262.12/3,388.76 = 1,559.21/x
  3. Step 3: Cross multiply
    2,262.12x = 3,388.76 × 1,559.21
  4. Step 4: Simplify right side
    2,262.12x = 5,283,763.74
  5. Step 5: Solve for x
    x = 5,283,763.74/2,262.12
  6. Step 6: Final answer
    x = 2,335.76

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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.