Home / 2,326.08-3,209.95-1,278.12

Finding the Fourth Proportional to 2,326.08, 3,209.95 and 1,278.12

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Solution

The fourth proportional to 2,326.08, 3,209.95 and 1,278.12 is: 1,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.08 : 3,209.95 = 1,278.12 : x
  2. Step 2: Convert to fraction form
    2,326.08/3,209.95 = 1,278.12/x
  3. Step 3: Cross multiply
    2,326.08x = 3,209.95 × 1,278.12
  4. Step 4: Simplify right side
    2,326.08x = 4,102,682.05
  5. Step 5: Solve for x
    x = 4,102,682.05/2,326.08
  6. Step 6: Final answer
    x = 1,763.78

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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.