Home / 2,508.12-3,762.36-864.66

Finding the Fourth Proportional to 2,508.12, 3,762.36 and 864.66

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Solution

The fourth proportional to 2,508.12, 3,762.36 and 864.66 is: 1,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.12 : 3,762.36 = 864.66 : x
  2. Step 2: Convert to fraction form
    2,508.12/3,762.36 = 864.66/x
  3. Step 3: Cross multiply
    2,508.12x = 3,762.36 × 864.66
  4. Step 4: Simplify right side
    2,508.12x = 3,253,162.20
  5. Step 5: Solve for x
    x = 3,253,162.20/2,508.12
  6. Step 6: Final answer
    x = 1,297.05

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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.