Home / 2,916.11-4,377.05-1,273.79

Finding the Fourth Proportional to 2,916.11, 4,377.05 and 1,273.79

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Solution

The fourth proportional to 2,916.11, 4,377.05 and 1,273.79 is: 1,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.11 : 4,377.05 = 1,273.79 : x
  2. Step 2: Convert to fraction form
    2,916.11/4,377.05 = 1,273.79/x
  3. Step 3: Cross multiply
    2,916.11x = 4,377.05 × 1,273.79
  4. Step 4: Simplify right side
    2,916.11x = 5,575,442.52
  5. Step 5: Solve for x
    x = 5,575,442.52/2,916.11
  6. Step 6: Final answer
    x = 1,911.95

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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.