Home / 2,023.40-2,791.38-1,226.60

Finding the Fourth Proportional to 2,023.40, 2,791.38 and 1,226.60

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Solution

The fourth proportional to 2,023.40, 2,791.38 and 1,226.60 is: 1,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.40 : 2,791.38 = 1,226.60 : x
  2. Step 2: Convert to fraction form
    2,023.40/2,791.38 = 1,226.60/x
  3. Step 3: Cross multiply
    2,023.40x = 2,791.38 × 1,226.60
  4. Step 4: Simplify right side
    2,023.40x = 3,423,906.71
  5. Step 5: Solve for x
    x = 3,423,906.71/2,023.40
  6. Step 6: Final answer
    x = 1,692.16

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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.