Home / 2,394.38-3,304.80-1,400.12

Finding the Fourth Proportional to 2,394.38, 3,304.80 and 1,400.12

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Solution

The fourth proportional to 2,394.38, 3,304.80 and 1,400.12 is: 1,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.38 : 3,304.80 = 1,400.12 : x
  2. Step 2: Convert to fraction form
    2,394.38/3,304.80 = 1,400.12/x
  3. Step 3: Cross multiply
    2,394.38x = 3,304.80 × 1,400.12
  4. Step 4: Simplify right side
    2,394.38x = 4,627,116.58
  5. Step 5: Solve for x
    x = 4,627,116.58/2,394.38
  6. Step 6: Final answer
    x = 1,932.49

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1.5x scale

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.