Home / 2,326.12-3,209.14-1,330.87

Finding the Fourth Proportional to 2,326.12, 3,209.14 and 1,330.87

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Solution

The fourth proportional to 2,326.12, 3,209.14 and 1,330.87 is: 1,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.12 : 3,209.14 = 1,330.87 : x
  2. Step 2: Convert to fraction form
    2,326.12/3,209.14 = 1,330.87/x
  3. Step 3: Cross multiply
    2,326.12x = 3,209.14 × 1,330.87
  4. Step 4: Simplify right side
    2,326.12x = 4,270,940.13
  5. Step 5: Solve for x
    x = 4,270,940.13/2,326.12
  6. Step 6: Final answer
    x = 1,836.08

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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.