Home / 2,186.26-3,017.08-1,254.76

Finding the Fourth Proportional to 2,186.26, 3,017.08 and 1,254.76

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Solution

The fourth proportional to 2,186.26, 3,017.08 and 1,254.76 is: 1,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.26 : 3,017.08 = 1,254.76 : x
  2. Step 2: Convert to fraction form
    2,186.26/3,017.08 = 1,254.76/x
  3. Step 3: Cross multiply
    2,186.26x = 3,017.08 × 1,254.76
  4. Step 4: Simplify right side
    2,186.26x = 3,785,711.30
  5. Step 5: Solve for x
    x = 3,785,711.30/2,186.26
  6. Step 6: Final answer
    x = 1,731.59

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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.