Home / 2,159.88-3,236.17-1,726.13

Finding the Fourth Proportional to 2,159.88, 3,236.17 and 1,726.13

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Solution

The fourth proportional to 2,159.88, 3,236.17 and 1,726.13 is: 2,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.88 : 3,236.17 = 1,726.13 : x
  2. Step 2: Convert to fraction form
    2,159.88/3,236.17 = 1,726.13/x
  3. Step 3: Cross multiply
    2,159.88x = 3,236.17 × 1,726.13
  4. Step 4: Simplify right side
    2,159.88x = 5,586,050.12
  5. Step 5: Solve for x
    x = 5,586,050.12/2,159.88
  6. Step 6: Final answer
    x = 2,586.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.