Home / 2,195.29-3,264.71-2,126.08

Finding the Fourth Proportional to 2,195.29, 3,264.71 and 2,126.08

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Solution

The fourth proportional to 2,195.29, 3,264.71 and 2,126.08 is: 3,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.29 : 3,264.71 = 2,126.08 : x
  2. Step 2: Convert to fraction form
    2,195.29/3,264.71 = 2,126.08/x
  3. Step 3: Cross multiply
    2,195.29x = 3,264.71 × 2,126.08
  4. Step 4: Simplify right side
    2,195.29x = 6,941,034.64
  5. Step 5: Solve for x
    x = 6,941,034.64/2,195.29
  6. Step 6: Final answer
    x = 3,161.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.