Home / 3,982.18-5,495.70-2,303.74

Finding the Fourth Proportional to 3,982.18, 5,495.70 and 2,303.74

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Solution

The fourth proportional to 3,982.18, 5,495.70 and 2,303.74 is: 3,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.18 : 5,495.70 = 2,303.74 : x
  2. Step 2: Convert to fraction form
    3,982.18/5,495.70 = 2,303.74/x
  3. Step 3: Cross multiply
    3,982.18x = 5,495.70 × 2,303.74
  4. Step 4: Simplify right side
    3,982.18x = 12,660,663.92
  5. Step 5: Solve for x
    x = 12,660,663.92/3,982.18
  6. Step 6: Final answer
    x = 3,179.33

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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.