Home / 2,023.80-3,035.70-791.56

Finding the Fourth Proportional to 2,023.80, 3,035.70 and 791.56

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Solution

The fourth proportional to 2,023.80, 3,035.70 and 791.56 is: 1,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.80 : 3,035.70 = 791.56 : x
  2. Step 2: Convert to fraction form
    2,023.80/3,035.70 = 791.56/x
  3. Step 3: Cross multiply
    2,023.80x = 3,035.70 × 791.56
  4. Step 4: Simplify right side
    2,023.80x = 2,402,938.69
  5. Step 5: Solve for x
    x = 2,402,938.69/2,023.80
  6. Step 6: Final answer
    x = 1,187.34

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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.