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Finding the Fourth Proportional to 2,001.15, 3,000.29 and 890.01

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Solution

The fourth proportional to 2,001.15, 3,000.29 and 890.01 is: 1,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.15 : 3,000.29 = 890.01 : x
  2. Step 2: Convert to fraction form
    2,001.15/3,000.29 = 890.01/x
  3. Step 3: Cross multiply
    2,001.15x = 3,000.29 × 890.01
  4. Step 4: Simplify right side
    2,001.15x = 2,670,283.65
  5. Step 5: Solve for x
    x = 2,670,283.65/2,001.15
  6. Step 6: Final answer
    x = 1,334.37

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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.