Home / 2,721.43-3,754.89-1,726.34

Finding the Fourth Proportional to 2,721.43, 3,754.89 and 1,726.34

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Solution

The fourth proportional to 2,721.43, 3,754.89 and 1,726.34 is: 2,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.43 : 3,754.89 = 1,726.34 : x
  2. Step 2: Convert to fraction form
    2,721.43/3,754.89 = 1,726.34/x
  3. Step 3: Cross multiply
    2,721.43x = 3,754.89 × 1,726.34
  4. Step 4: Simplify right side
    2,721.43x = 6,482,216.80
  5. Step 5: Solve for x
    x = 6,482,216.80/2,721.43
  6. Step 6: Final answer
    x = 2,381.92

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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.