Home / 2,979.96-4,464.90-2,545.08

Finding the Fourth Proportional to 2,979.96, 4,464.90 and 2,545.08

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Solution

The fourth proportional to 2,979.96, 4,464.90 and 2,545.08 is: 3,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.96 : 4,464.90 = 2,545.08 : x
  2. Step 2: Convert to fraction form
    2,979.96/4,464.90 = 2,545.08/x
  3. Step 3: Cross multiply
    2,979.96x = 4,464.90 × 2,545.08
  4. Step 4: Simplify right side
    2,979.96x = 11,363,527.69
  5. Step 5: Solve for x
    x = 11,363,527.69/2,979.96
  6. Step 6: Final answer
    x = 3,813.32

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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.