Home / 2,306.09-3,460.79-918.62

Finding the Fourth Proportional to 2,306.09, 3,460.79 and 918.62

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Solution

The fourth proportional to 2,306.09, 3,460.79 and 918.62 is: 1,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.09 : 3,460.79 = 918.62 : x
  2. Step 2: Convert to fraction form
    2,306.09/3,460.79 = 918.62/x
  3. Step 3: Cross multiply
    2,306.09x = 3,460.79 × 918.62
  4. Step 4: Simplify right side
    2,306.09x = 3,179,158.68
  5. Step 5: Solve for x
    x = 3,179,158.68/2,306.09
  6. Step 6: Final answer
    x = 1,378.59

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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.