Home / 2,005.08-3,008.01-618.18

Finding the Fourth Proportional to 2,005.08, 3,008.01 and 618.18

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Solution

The fourth proportional to 2,005.08, 3,008.01 and 618.18 is: 927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.08 : 3,008.01 = 618.18 : x
  2. Step 2: Convert to fraction form
    2,005.08/3,008.01 = 618.18/x
  3. Step 3: Cross multiply
    2,005.08x = 3,008.01 × 618.18
  4. Step 4: Simplify right side
    2,005.08x = 1,859,491.62
  5. Step 5: Solve for x
    x = 1,859,491.62/2,005.08
  6. Step 6: Final answer
    x = 927.39

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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.