Home / 3,243.39-4,864.18-1,394.10

Finding the Fourth Proportional to 3,243.39, 4,864.18 and 1,394.10

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Solution

The fourth proportional to 3,243.39, 4,864.18 and 1,394.10 is: 2,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.39 : 4,864.18 = 1,394.10 : x
  2. Step 2: Convert to fraction form
    3,243.39/4,864.18 = 1,394.10/x
  3. Step 3: Cross multiply
    3,243.39x = 4,864.18 × 1,394.10
  4. Step 4: Simplify right side
    3,243.39x = 6,781,129.02
  5. Step 5: Solve for x
    x = 6,781,129.02/3,243.39
  6. Step 6: Final answer
    x = 2,090.75

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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.