Home / 3,060.60-4,223.97-2,116.10

Finding the Fourth Proportional to 3,060.60, 4,223.97 and 2,116.10

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Solution

The fourth proportional to 3,060.60, 4,223.97 and 2,116.10 is: 2,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.60 : 4,223.97 = 2,116.10 : x
  2. Step 2: Convert to fraction form
    3,060.60/4,223.97 = 2,116.10/x
  3. Step 3: Cross multiply
    3,060.60x = 4,223.97 × 2,116.10
  4. Step 4: Simplify right side
    3,060.60x = 8,938,321.80
  5. Step 5: Solve for x
    x = 8,938,321.80/3,060.60
  6. Step 6: Final answer
    x = 2,920.45

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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.