Home / 2,257.84-3,115.56-1,373.88

Finding the Fourth Proportional to 2,257.84, 3,115.56 and 1,373.88

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Solution

The fourth proportional to 2,257.84, 3,115.56 and 1,373.88 is: 1,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.84 : 3,115.56 = 1,373.88 : x
  2. Step 2: Convert to fraction form
    2,257.84/3,115.56 = 1,373.88/x
  3. Step 3: Cross multiply
    2,257.84x = 3,115.56 × 1,373.88
  4. Step 4: Simplify right side
    2,257.84x = 4,280,405.57
  5. Step 5: Solve for x
    x = 4,280,405.57/2,257.84
  6. Step 6: Final answer
    x = 1,895.80

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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.