Home / 2,238.30-3,357.02-1,005.74

Finding the Fourth Proportional to 2,238.30, 3,357.02 and 1,005.74

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Solution

The fourth proportional to 2,238.30, 3,357.02 and 1,005.74 is: 1,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.30 : 3,357.02 = 1,005.74 : x
  2. Step 2: Convert to fraction form
    2,238.30/3,357.02 = 1,005.74/x
  3. Step 3: Cross multiply
    2,238.30x = 3,357.02 × 1,005.74
  4. Step 4: Simplify right side
    2,238.30x = 3,376,289.29
  5. Step 5: Solve for x
    x = 3,376,289.29/2,238.30
  6. Step 6: Final answer
    x = 1,508.42

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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.