Home / 2,579.13-3,545.51-2,218.90

Finding the Fourth Proportional to 2,579.13, 3,545.51 and 2,218.90

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Solution

The fourth proportional to 2,579.13, 3,545.51 and 2,218.90 is: 3,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.13 : 3,545.51 = 2,218.90 : x
  2. Step 2: Convert to fraction form
    2,579.13/3,545.51 = 2,218.90/x
  3. Step 3: Cross multiply
    2,579.13x = 3,545.51 × 2,218.90
  4. Step 4: Simplify right side
    2,579.13x = 7,867,121.04
  5. Step 5: Solve for x
    x = 7,867,121.04/2,579.13
  6. Step 6: Final answer
    x = 3,050.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.