Home / 2,110.60-3,165.90-1,952.20

Finding the Fourth Proportional to 2,110.60, 3,165.90 and 1,952.20

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Solution

The fourth proportional to 2,110.60, 3,165.90 and 1,952.20 is: 2,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.60 : 3,165.90 = 1,952.20 : x
  2. Step 2: Convert to fraction form
    2,110.60/3,165.90 = 1,952.20/x
  3. Step 3: Cross multiply
    2,110.60x = 3,165.90 × 1,952.20
  4. Step 4: Simplify right side
    2,110.60x = 6,180,469.98
  5. Step 5: Solve for x
    x = 6,180,469.98/2,110.60
  6. Step 6: Final answer
    x = 2,928.30

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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.