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Finding the Fourth Proportional to 2,008.90, 3,013.80 and 622.18

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Solution

The fourth proportional to 2,008.90, 3,013.80 and 622.18 is: 933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.90 : 3,013.80 = 622.18 : x
  2. Step 2: Convert to fraction form
    2,008.90/3,013.80 = 622.18/x
  3. Step 3: Cross multiply
    2,008.90x = 3,013.80 × 622.18
  4. Step 4: Simplify right side
    2,008.90x = 1,875,126.08
  5. Step 5: Solve for x
    x = 1,875,126.08/2,008.90
  6. Step 6: Final answer
    x = 933.41

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1.5x scale

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.