Home / 1,833.51-2,747.40-1,418.06

Finding the Fourth Proportional to 1,833.51, 2,747.40 and 1,418.06

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Solution

The fourth proportional to 1,833.51, 2,747.40 and 1,418.06 is: 2,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.51 : 2,747.40 = 1,418.06 : x
  2. Step 2: Convert to fraction form
    1,833.51/2,747.40 = 1,418.06/x
  3. Step 3: Cross multiply
    1,833.51x = 2,747.40 × 1,418.06
  4. Step 4: Simplify right side
    1,833.51x = 3,895,979.59
  5. Step 5: Solve for x
    x = 3,895,979.59/1,833.51
  6. Step 6: Final answer
    x = 2,124.87

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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.