Home / 2,257.96-3,115.72-1,373.56

Finding the Fourth Proportional to 2,257.96, 3,115.72 and 1,373.56

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Solution

The fourth proportional to 2,257.96, 3,115.72 and 1,373.56 is: 1,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.96 : 3,115.72 = 1,373.56 : x
  2. Step 2: Convert to fraction form
    2,257.96/3,115.72 = 1,373.56/x
  3. Step 3: Cross multiply
    2,257.96x = 3,115.72 × 1,373.56
  4. Step 4: Simplify right side
    2,257.96x = 4,279,628.36
  5. Step 5: Solve for x
    x = 4,279,628.36/2,257.96
  6. Step 6: Final answer
    x = 1,895.35

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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.