Home / 2,023.45-3,036.12-790.54

Finding the Fourth Proportional to 2,023.45, 3,036.12 and 790.54

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Solution

The fourth proportional to 2,023.45, 3,036.12 and 790.54 is: 1,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.45 : 3,036.12 = 790.54 : x
  2. Step 2: Convert to fraction form
    2,023.45/3,036.12 = 790.54/x
  3. Step 3: Cross multiply
    2,023.45x = 3,036.12 × 790.54
  4. Step 4: Simplify right side
    2,023.45x = 2,400,174.30
  5. Step 5: Solve for x
    x = 2,400,174.30/2,023.45
  6. Step 6: Final answer
    x = 1,186.18

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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.