Home / 3,418.06-5,125.46-1,109.02

Finding the Fourth Proportional to 3,418.06, 5,125.46 and 1,109.02

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Solution

The fourth proportional to 3,418.06, 5,125.46 and 1,109.02 is: 1,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.06 : 5,125.46 = 1,109.02 : x
  2. Step 2: Convert to fraction form
    3,418.06/5,125.46 = 1,109.02/x
  3. Step 3: Cross multiply
    3,418.06x = 5,125.46 × 1,109.02
  4. Step 4: Simplify right side
    3,418.06x = 5,684,237.65
  5. Step 5: Solve for x
    x = 5,684,237.65/3,418.06
  6. Step 6: Final answer
    x = 1,663.00

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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.