Home / 2,209.59-3,310.68-1,558.98

Finding the Fourth Proportional to 2,209.59, 3,310.68 and 1,558.98

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Solution

The fourth proportional to 2,209.59, 3,310.68 and 1,558.98 is: 2,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.59 : 3,310.68 = 1,558.98 : x
  2. Step 2: Convert to fraction form
    2,209.59/3,310.68 = 1,558.98/x
  3. Step 3: Cross multiply
    2,209.59x = 3,310.68 × 1,558.98
  4. Step 4: Simplify right side
    2,209.59x = 5,161,283.91
  5. Step 5: Solve for x
    x = 5,161,283.91/2,209.59
  6. Step 6: Final answer
    x = 2,335.86

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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.