Home / 2,876.38-4,315.19-1,415.35

Finding the Fourth Proportional to 2,876.38, 4,315.19 and 1,415.35

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Solution

The fourth proportional to 2,876.38, 4,315.19 and 1,415.35 is: 2,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.38 : 4,315.19 = 1,415.35 : x
  2. Step 2: Convert to fraction form
    2,876.38/4,315.19 = 1,415.35/x
  3. Step 3: Cross multiply
    2,876.38x = 4,315.19 × 1,415.35
  4. Step 4: Simplify right side
    2,876.38x = 6,107,504.17
  5. Step 5: Solve for x
    x = 6,107,504.17/2,876.38
  6. Step 6: Final answer
    x = 2,123.33

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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.