Home / 3,690.39-5,534.99-2,020.41

Finding the Fourth Proportional to 3,690.39, 5,534.99 and 2,020.41

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Solution

The fourth proportional to 3,690.39, 5,534.99 and 2,020.41 is: 3,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.39 : 5,534.99 = 2,020.41 : x
  2. Step 2: Convert to fraction form
    3,690.39/5,534.99 = 2,020.41/x
  3. Step 3: Cross multiply
    3,690.39x = 5,534.99 × 2,020.41
  4. Step 4: Simplify right side
    3,690.39x = 11,182,959.72
  5. Step 5: Solve for x
    x = 11,182,959.72/3,690.39
  6. Step 6: Final answer
    x = 3,030.29

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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.