Home / 1,726.08-2,589.36-571.44

Finding the Fourth Proportional to 1,726.08, 2,589.36 and 571.44

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Solution

The fourth proportional to 1,726.08, 2,589.36 and 571.44 is: 857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.08 : 2,589.36 = 571.44 : x
  2. Step 2: Convert to fraction form
    1,726.08/2,589.36 = 571.44/x
  3. Step 3: Cross multiply
    1,726.08x = 2,589.36 × 571.44
  4. Step 4: Simplify right side
    1,726.08x = 1,479,663.88
  5. Step 5: Solve for x
    x = 1,479,663.88/1,726.08
  6. Step 6: Final answer
    x = 857.24

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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.