Home / 1,876.28-2,811.18-1,010.12

Finding the Fourth Proportional to 1,876.28, 2,811.18 and 1,010.12

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Solution

The fourth proportional to 1,876.28, 2,811.18 and 1,010.12 is: 1,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.28 : 2,811.18 = 1,010.12 : x
  2. Step 2: Convert to fraction form
    1,876.28/2,811.18 = 1,010.12/x
  3. Step 3: Cross multiply
    1,876.28x = 2,811.18 × 1,010.12
  4. Step 4: Simplify right side
    1,876.28x = 2,839,629.14
  5. Step 5: Solve for x
    x = 2,839,629.14/1,876.28
  6. Step 6: Final answer
    x = 1,513.44

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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.