Home / 2,979.82-4,468.38-1,030.65

Finding the Fourth Proportional to 2,979.82, 4,468.38 and 1,030.65

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Solution

The fourth proportional to 2,979.82, 4,468.38 and 1,030.65 is: 1,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.82 : 4,468.38 = 1,030.65 : x
  2. Step 2: Convert to fraction form
    2,979.82/4,468.38 = 1,030.65/x
  3. Step 3: Cross multiply
    2,979.82x = 4,468.38 × 1,030.65
  4. Step 4: Simplify right side
    2,979.82x = 4,605,335.85
  5. Step 5: Solve for x
    x = 4,605,335.85/2,979.82
  6. Step 6: Final answer
    x = 1,545.51

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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.