Home / 2,916.89-4,370.75-1,819.61

Finding the Fourth Proportional to 2,916.89, 4,370.75 and 1,819.61

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Solution

The fourth proportional to 2,916.89, 4,370.75 and 1,819.61 is: 2,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.89 : 4,370.75 = 1,819.61 : x
  2. Step 2: Convert to fraction form
    2,916.89/4,370.75 = 1,819.61/x
  3. Step 3: Cross multiply
    2,916.89x = 4,370.75 × 1,819.61
  4. Step 4: Simplify right side
    2,916.89x = 7,953,062.24
  5. Step 5: Solve for x
    x = 7,953,062.24/2,916.89
  6. Step 6: Final answer
    x = 2,726.55

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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.