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Finding the Fourth Proportional to 2,459.62, 3,394.18 and 1,340.54

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Solution

The fourth proportional to 2,459.62, 3,394.18 and 1,340.54 is: 1,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.62 : 3,394.18 = 1,340.54 : x
  2. Step 2: Convert to fraction form
    2,459.62/3,394.18 = 1,340.54/x
  3. Step 3: Cross multiply
    2,459.62x = 3,394.18 × 1,340.54
  4. Step 4: Simplify right side
    2,459.62x = 4,550,034.06
  5. Step 5: Solve for x
    x = 4,550,034.06/2,459.62
  6. Step 6: Final answer
    x = 1,849.89

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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.