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Finding the Fourth Proportional to 2,001.62, 3,000.99 and 1,230.50

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Solution

The fourth proportional to 2,001.62, 3,000.99 and 1,230.50 is: 1,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.62 : 3,000.99 = 1,230.50 : x
  2. Step 2: Convert to fraction form
    2,001.62/3,000.99 = 1,230.50/x
  3. Step 3: Cross multiply
    2,001.62x = 3,000.99 × 1,230.50
  4. Step 4: Simplify right side
    2,001.62x = 3,692,718.20
  5. Step 5: Solve for x
    x = 3,692,718.20/2,001.62
  6. Step 6: Final answer
    x = 1,844.86

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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.