Home / 2,023.06-3,029.80-1,290.42

Finding the Fourth Proportional to 2,023.06, 3,029.80 and 1,290.42

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Solution

The fourth proportional to 2,023.06, 3,029.80 and 1,290.42 is: 1,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.06 : 3,029.80 = 1,290.42 : x
  2. Step 2: Convert to fraction form
    2,023.06/3,029.80 = 1,290.42/x
  3. Step 3: Cross multiply
    2,023.06x = 3,029.80 × 1,290.42
  4. Step 4: Simplify right side
    2,023.06x = 3,909,699.37
  5. Step 5: Solve for x
    x = 3,909,699.37/2,023.06
  6. Step 6: Final answer
    x = 1,932.57

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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.