Home / 1,726.21-2,589.27-571.96

Finding the Fourth Proportional to 1,726.21, 2,589.27 and 571.96

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Solution

The fourth proportional to 1,726.21, 2,589.27 and 571.96 is: 857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.21 : 2,589.27 = 571.96 : x
  2. Step 2: Convert to fraction form
    1,726.21/2,589.27 = 571.96/x
  3. Step 3: Cross multiply
    1,726.21x = 2,589.27 × 571.96
  4. Step 4: Simplify right side
    1,726.21x = 1,480,958.87
  5. Step 5: Solve for x
    x = 1,480,958.87/1,726.21
  6. Step 6: Final answer
    x = 857.93

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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.