Home / 1,501.38-2,252.25-679.50

Finding the Fourth Proportional to 1,501.38, 2,252.25 and 679.50

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Solution

The fourth proportional to 1,501.38, 2,252.25 and 679.50 is: 1,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.38 : 2,252.25 = 679.50 : x
  2. Step 2: Convert to fraction form
    1,501.38/2,252.25 = 679.50/x
  3. Step 3: Cross multiply
    1,501.38x = 2,252.25 × 679.50
  4. Step 4: Simplify right side
    1,501.38x = 1,530,403.88
  5. Step 5: Solve for x
    x = 1,530,403.88/1,501.38
  6. Step 6: Final answer
    x = 1,019.33

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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.