Home / 1,876.29-2,809.23-1,218.92

Finding the Fourth Proportional to 1,876.29, 2,809.23 and 1,218.92

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Solution

The fourth proportional to 1,876.29, 2,809.23 and 1,218.92 is: 1,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.29 : 2,809.23 = 1,218.92 : x
  2. Step 2: Convert to fraction form
    1,876.29/2,809.23 = 1,218.92/x
  3. Step 3: Cross multiply
    1,876.29x = 2,809.23 × 1,218.92
  4. Step 4: Simplify right side
    1,876.29x = 3,424,238.57
  5. Step 5: Solve for x
    x = 3,424,238.57/1,876.29
  6. Step 6: Final answer
    x = 1,825.01

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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.