Home / 3,483.26-5,221.20-2,166.98

Finding the Fourth Proportional to 3,483.26, 5,221.20 and 2,166.98

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Solution

The fourth proportional to 3,483.26, 5,221.20 and 2,166.98 is: 3,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.26 : 5,221.20 = 2,166.98 : x
  2. Step 2: Convert to fraction form
    3,483.26/5,221.20 = 2,166.98/x
  3. Step 3: Cross multiply
    3,483.26x = 5,221.20 × 2,166.98
  4. Step 4: Simplify right side
    3,483.26x = 11,314,235.98
  5. Step 5: Solve for x
    x = 11,314,235.98/3,483.26
  6. Step 6: Final answer
    x = 3,248.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.