Home / 2,190.73-3,023.27-1,340.11

Finding the Fourth Proportional to 2,190.73, 3,023.27 and 1,340.11

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Solution

The fourth proportional to 2,190.73, 3,023.27 and 1,340.11 is: 1,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.73 : 3,023.27 = 1,340.11 : x
  2. Step 2: Convert to fraction form
    2,190.73/3,023.27 = 1,340.11/x
  3. Step 3: Cross multiply
    2,190.73x = 3,023.27 × 1,340.11
  4. Step 4: Simplify right side
    2,190.73x = 4,051,507.66
  5. Step 5: Solve for x
    x = 4,051,507.66/2,190.73
  6. Step 6: Final answer
    x = 1,849.39

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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.