Home / 2,425.13-3,635.64-864.67

Finding the Fourth Proportional to 2,425.13, 3,635.64 and 864.67

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Solution

The fourth proportional to 2,425.13, 3,635.64 and 864.67 is: 1,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.13 : 3,635.64 = 864.67 : x
  2. Step 2: Convert to fraction form
    2,425.13/3,635.64 = 864.67/x
  3. Step 3: Cross multiply
    2,425.13x = 3,635.64 × 864.67
  4. Step 4: Simplify right side
    2,425.13x = 3,143,610.66
  5. Step 5: Solve for x
    x = 3,143,610.66/2,425.13
  6. Step 6: Final answer
    x = 1,296.26

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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.