Home / 3,501.24-5,251.91-868.75

Finding the Fourth Proportional to 3,501.24, 5,251.91 and 868.75

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Solution

The fourth proportional to 3,501.24, 5,251.91 and 868.75 is: 1,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.24 : 5,251.91 = 868.75 : x
  2. Step 2: Convert to fraction form
    3,501.24/5,251.91 = 868.75/x
  3. Step 3: Cross multiply
    3,501.24x = 5,251.91 × 868.75
  4. Step 4: Simplify right side
    3,501.24x = 4,562,596.81
  5. Step 5: Solve for x
    x = 4,562,596.81/3,501.24
  6. Step 6: Final answer
    x = 1,303.14

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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.