Home / 1,264.08-1,744.92-1,230.96

Finding the Fourth Proportional to 1,264.08, 1,744.92 and 1,230.96

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Solution

The fourth proportional to 1,264.08, 1,744.92 and 1,230.96 is: 1,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.08 : 1,744.92 = 1,230.96 : x
  2. Step 2: Convert to fraction form
    1,264.08/1,744.92 = 1,230.96/x
  3. Step 3: Cross multiply
    1,264.08x = 1,744.92 × 1,230.96
  4. Step 4: Simplify right side
    1,264.08x = 2,147,926.72
  5. Step 5: Solve for x
    x = 2,147,926.72/1,264.08
  6. Step 6: Final answer
    x = 1,699.20

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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.