Home / 2,299.59-3,172.52-1,353.89

Finding the Fourth Proportional to 2,299.59, 3,172.52 and 1,353.89

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Solution

The fourth proportional to 2,299.59, 3,172.52 and 1,353.89 is: 1,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.59 : 3,172.52 = 1,353.89 : x
  2. Step 2: Convert to fraction form
    2,299.59/3,172.52 = 1,353.89/x
  3. Step 3: Cross multiply
    2,299.59x = 3,172.52 × 1,353.89
  4. Step 4: Simplify right side
    2,299.59x = 4,295,220.47
  5. Step 5: Solve for x
    x = 4,295,220.47/2,299.59
  6. Step 6: Final answer
    x = 1,867.82

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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.