Home / 2,257.58-3,115.50-1,373.42

Finding the Fourth Proportional to 2,257.58, 3,115.50 and 1,373.42

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Solution

The fourth proportional to 2,257.58, 3,115.50 and 1,373.42 is: 1,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.58 : 3,115.50 = 1,373.42 : x
  2. Step 2: Convert to fraction form
    2,257.58/3,115.50 = 1,373.42/x
  3. Step 3: Cross multiply
    2,257.58x = 3,115.50 × 1,373.42
  4. Step 4: Simplify right side
    2,257.58x = 4,278,890.01
  5. Step 5: Solve for x
    x = 4,278,890.01/2,257.58
  6. Step 6: Final answer
    x = 1,895.34

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1.5x scale

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.