Home / 2,110.55-3,165.52-1,328.17

Finding the Fourth Proportional to 2,110.55, 3,165.52 and 1,328.17

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Solution

The fourth proportional to 2,110.55, 3,165.52 and 1,328.17 is: 1,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.55 : 3,165.52 = 1,328.17 : x
  2. Step 2: Convert to fraction form
    2,110.55/3,165.52 = 1,328.17/x
  3. Step 3: Cross multiply
    2,110.55x = 3,165.52 × 1,328.17
  4. Step 4: Simplify right side
    2,110.55x = 4,204,348.70
  5. Step 5: Solve for x
    x = 4,204,348.70/2,110.55
  6. Step 6: Final answer
    x = 1,992.06

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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.