Home / 1,876.65-2,815.11-1,010.76

Finding the Fourth Proportional to 1,876.65, 2,815.11 and 1,010.76

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Solution

The fourth proportional to 1,876.65, 2,815.11 and 1,010.76 is: 1,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.65 : 2,815.11 = 1,010.76 : x
  2. Step 2: Convert to fraction form
    1,876.65/2,815.11 = 1,010.76/x
  3. Step 3: Cross multiply
    1,876.65x = 2,815.11 × 1,010.76
  4. Step 4: Simplify right side
    1,876.65x = 2,845,400.58
  5. Step 5: Solve for x
    x = 2,845,400.58/1,876.65
  6. Step 6: Final answer
    x = 1,516.21

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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.