Home / 1,879.26-2,589.87-1,545.66

Finding the Fourth Proportional to 1,879.26, 2,589.87 and 1,545.66

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Solution

The fourth proportional to 1,879.26, 2,589.87 and 1,545.66 is: 2,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.26 : 2,589.87 = 1,545.66 : x
  2. Step 2: Convert to fraction form
    1,879.26/2,589.87 = 1,545.66/x
  3. Step 3: Cross multiply
    1,879.26x = 2,589.87 × 1,545.66
  4. Step 4: Simplify right side
    1,879.26x = 4,003,058.46
  5. Step 5: Solve for x
    x = 4,003,058.46/1,879.26
  6. Step 6: Final answer
    x = 2,130.12

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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.