Home / 1,726.13-2,589.00-493.51

Finding the Fourth Proportional to 1,726.13, 2,589.00 and 493.51

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Solution

The fourth proportional to 1,726.13, 2,589.00 and 493.51 is: 740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.13 : 2,589.00 = 493.51 : x
  2. Step 2: Convert to fraction form
    1,726.13/2,589.00 = 493.51/x
  3. Step 3: Cross multiply
    1,726.13x = 2,589.00 × 493.51
  4. Step 4: Simplify right side
    1,726.13x = 1,277,693.92
  5. Step 5: Solve for x
    x = 1,277,693.92/1,726.13
  6. Step 6: Final answer
    x = 740.21

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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.