Home / 2,590.11-3,877.95-2,216.43

Finding the Fourth Proportional to 2,590.11, 3,877.95 and 2,216.43

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Solution

The fourth proportional to 2,590.11, 3,877.95 and 2,216.43 is: 3,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.11 : 3,877.95 = 2,216.43 : x
  2. Step 2: Convert to fraction form
    2,590.11/3,877.95 = 2,216.43/x
  3. Step 3: Cross multiply
    2,590.11x = 3,877.95 × 2,216.43
  4. Step 4: Simplify right side
    2,590.11x = 8,595,204.72
  5. Step 5: Solve for x
    x = 8,595,204.72/2,590.11
  6. Step 6: Final answer
    x = 3,318.47

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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.