Home / 3,982.31-5,495.70-2,303.55

Finding the Fourth Proportional to 3,982.31, 5,495.70 and 2,303.55

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Solution

The fourth proportional to 3,982.31, 5,495.70 and 2,303.55 is: 3,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.31 : 5,495.70 = 2,303.55 : x
  2. Step 2: Convert to fraction form
    3,982.31/5,495.70 = 2,303.55/x
  3. Step 3: Cross multiply
    3,982.31x = 5,495.70 × 2,303.55
  4. Step 4: Simplify right side
    3,982.31x = 12,659,619.74
  5. Step 5: Solve for x
    x = 12,659,619.74/3,982.31
  6. Step 6: Final answer
    x = 3,178.96

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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.