Home / 2,008.03-3,012.57-621.40

Finding the Fourth Proportional to 2,008.03, 3,012.57 and 621.40

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Solution

The fourth proportional to 2,008.03, 3,012.57 and 621.40 is: 932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.03 : 3,012.57 = 621.40 : x
  2. Step 2: Convert to fraction form
    2,008.03/3,012.57 = 621.40/x
  3. Step 3: Cross multiply
    2,008.03x = 3,012.57 × 621.40
  4. Step 4: Simplify right side
    2,008.03x = 1,872,011.00
  5. Step 5: Solve for x
    x = 1,872,011.00/2,008.03
  6. Step 6: Final answer
    x = 932.26

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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.