Home / 2,326.14-3,210.09-1,278.21

Finding the Fourth Proportional to 2,326.14, 3,210.09 and 1,278.21

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Solution

The fourth proportional to 2,326.14, 3,210.09 and 1,278.21 is: 1,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.14 : 3,210.09 = 1,278.21 : x
  2. Step 2: Convert to fraction form
    2,326.14/3,210.09 = 1,278.21/x
  3. Step 3: Cross multiply
    2,326.14x = 3,210.09 × 1,278.21
  4. Step 4: Simplify right side
    2,326.14x = 4,103,169.14
  5. Step 5: Solve for x
    x = 4,103,169.14/2,326.14
  6. Step 6: Final answer
    x = 1,763.94

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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.