Home / 2,913.19-4,371.90-2,184.73

Finding the Fourth Proportional to 2,913.19, 4,371.90 and 2,184.73

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Solution

The fourth proportional to 2,913.19, 4,371.90 and 2,184.73 is: 3,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.19 : 4,371.90 = 2,184.73 : x
  2. Step 2: Convert to fraction form
    2,913.19/4,371.90 = 2,184.73/x
  3. Step 3: Cross multiply
    2,913.19x = 4,371.90 × 2,184.73
  4. Step 4: Simplify right side
    2,913.19x = 9,551,421.09
  5. Step 5: Solve for x
    x = 9,551,421.09/2,913.19
  6. Step 6: Final answer
    x = 3,278.68

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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.