Home / 3,982.40-5,495.52-2,303.52

Finding the Fourth Proportional to 3,982.40, 5,495.52 and 2,303.52

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Solution

The fourth proportional to 3,982.40, 5,495.52 and 2,303.52 is: 3,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.40 : 5,495.52 = 2,303.52 : x
  2. Step 2: Convert to fraction form
    3,982.40/5,495.52 = 2,303.52/x
  3. Step 3: Cross multiply
    3,982.40x = 5,495.52 × 2,303.52
  4. Step 4: Simplify right side
    3,982.40x = 12,659,040.23
  5. Step 5: Solve for x
    x = 12,659,040.23/3,982.40
  6. Step 6: Final answer
    x = 3,178.75

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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.