Home / 2,110.80-3,165.49-1,000.06

Finding the Fourth Proportional to 2,110.80, 3,165.49 and 1,000.06

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Solution

The fourth proportional to 2,110.80, 3,165.49 and 1,000.06 is: 1,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.80 : 3,165.49 = 1,000.06 : x
  2. Step 2: Convert to fraction form
    2,110.80/3,165.49 = 1,000.06/x
  3. Step 3: Cross multiply
    2,110.80x = 3,165.49 × 1,000.06
  4. Step 4: Simplify right side
    2,110.80x = 3,165,679.93
  5. Step 5: Solve for x
    x = 3,165,679.93/2,110.80
  6. Step 6: Final answer
    x = 1,499.75

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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.