Home / 2,876.28-4,316.34-1,578.66

Finding the Fourth Proportional to 2,876.28, 4,316.34 and 1,578.66

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Solution

The fourth proportional to 2,876.28, 4,316.34 and 1,578.66 is: 2,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.28 : 4,316.34 = 1,578.66 : x
  2. Step 2: Convert to fraction form
    2,876.28/4,316.34 = 1,578.66/x
  3. Step 3: Cross multiply
    2,876.28x = 4,316.34 × 1,578.66
  4. Step 4: Simplify right side
    2,876.28x = 6,814,033.30
  5. Step 5: Solve for x
    x = 6,814,033.30/2,876.28
  6. Step 6: Final answer
    x = 2,369.04

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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.