Home / 2,876.69-4,305.75-1,488.11

Finding the Fourth Proportional to 2,876.69, 4,305.75 and 1,488.11

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Solution

The fourth proportional to 2,876.69, 4,305.75 and 1,488.11 is: 2,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.69 : 4,305.75 = 1,488.11 : x
  2. Step 2: Convert to fraction form
    2,876.69/4,305.75 = 1,488.11/x
  3. Step 3: Cross multiply
    2,876.69x = 4,305.75 × 1,488.11
  4. Step 4: Simplify right side
    2,876.69x = 6,407,418.67
  5. Step 5: Solve for x
    x = 6,407,418.67/2,876.69
  6. Step 6: Final answer
    x = 2,227.36

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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.