Home / 2,238.75-3,089.88-1,295.15

Finding the Fourth Proportional to 2,238.75, 3,089.88 and 1,295.15

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Solution

The fourth proportional to 2,238.75, 3,089.88 and 1,295.15 is: 1,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.75 : 3,089.88 = 1,295.15 : x
  2. Step 2: Convert to fraction form
    2,238.75/3,089.88 = 1,295.15/x
  3. Step 3: Cross multiply
    2,238.75x = 3,089.88 × 1,295.15
  4. Step 4: Simplify right side
    2,238.75x = 4,001,842.63
  5. Step 5: Solve for x
    x = 4,001,842.63/2,238.75
  6. Step 6: Final answer
    x = 1,787.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.