Home / 2,326.29-3,209.25-1,394.25

Finding the Fourth Proportional to 2,326.29, 3,209.25 and 1,394.25

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Solution

The fourth proportional to 2,326.29, 3,209.25 and 1,394.25 is: 1,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.29 : 3,209.25 = 1,394.25 : x
  2. Step 2: Convert to fraction form
    2,326.29/3,209.25 = 1,394.25/x
  3. Step 3: Cross multiply
    2,326.29x = 3,209.25 × 1,394.25
  4. Step 4: Simplify right side
    2,326.29x = 4,474,496.81
  5. Step 5: Solve for x
    x = 4,474,496.81/2,326.29
  6. Step 6: Final answer
    x = 1,923.45

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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.