Home / 2,879.16-4,319.82-1,030.20

Finding the Fourth Proportional to 2,879.16, 4,319.82 and 1,030.20

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Solution

The fourth proportional to 2,879.16, 4,319.82 and 1,030.20 is: 1,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.16 : 4,319.82 = 1,030.20 : x
  2. Step 2: Convert to fraction form
    2,879.16/4,319.82 = 1,030.20/x
  3. Step 3: Cross multiply
    2,879.16x = 4,319.82 × 1,030.20
  4. Step 4: Simplify right side
    2,879.16x = 4,450,278.56
  5. Step 5: Solve for x
    x = 4,450,278.56/2,879.16
  6. Step 6: Final answer
    x = 1,545.69

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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.