Home / 2,409.35-3,613.97-1,110.82

Finding the Fourth Proportional to 2,409.35, 3,613.97 and 1,110.82

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Solution

The fourth proportional to 2,409.35, 3,613.97 and 1,110.82 is: 1,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.35 : 3,613.97 = 1,110.82 : x
  2. Step 2: Convert to fraction form
    2,409.35/3,613.97 = 1,110.82/x
  3. Step 3: Cross multiply
    2,409.35x = 3,613.97 × 1,110.82
  4. Step 4: Simplify right side
    2,409.35x = 4,014,470.16
  5. Step 5: Solve for x
    x = 4,014,470.16/2,409.35
  6. Step 6: Final answer
    x = 1,666.20

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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.