Home / 3,125.44-4,303.82-2,239.72

Finding the Fourth Proportional to 3,125.44, 4,303.82 and 2,239.72

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Solution

The fourth proportional to 3,125.44, 4,303.82 and 2,239.72 is: 3,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.44 : 4,303.82 = 2,239.72 : x
  2. Step 2: Convert to fraction form
    3,125.44/4,303.82 = 2,239.72/x
  3. Step 3: Cross multiply
    3,125.44x = 4,303.82 × 2,239.72
  4. Step 4: Simplify right side
    3,125.44x = 9,639,351.73
  5. Step 5: Solve for x
    x = 9,639,351.73/3,125.44
  6. Step 6: Final answer
    x = 3,084.16

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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.