Home / 2,027.38-3,041.01-1,108.78

Finding the Fourth Proportional to 2,027.38, 3,041.01 and 1,108.78

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Solution

The fourth proportional to 2,027.38, 3,041.01 and 1,108.78 is: 1,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.38 : 3,041.01 = 1,108.78 : x
  2. Step 2: Convert to fraction form
    2,027.38/3,041.01 = 1,108.78/x
  3. Step 3: Cross multiply
    2,027.38x = 3,041.01 × 1,108.78
  4. Step 4: Simplify right side
    2,027.38x = 3,371,811.07
  5. Step 5: Solve for x
    x = 3,371,811.07/2,027.38
  6. Step 6: Final answer
    x = 1,663.14

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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.