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Finding the Fourth Proportional to 1,469.09, 2,203.02 and 1,007.01

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Solution

The fourth proportional to 1,469.09, 2,203.02 and 1,007.01 is: 1,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.09 : 2,203.02 = 1,007.01 : x
  2. Step 2: Convert to fraction form
    1,469.09/2,203.02 = 1,007.01/x
  3. Step 3: Cross multiply
    1,469.09x = 2,203.02 × 1,007.01
  4. Step 4: Simplify right side
    1,469.09x = 2,218,463.17
  5. Step 5: Solve for x
    x = 2,218,463.17/1,469.09
  6. Step 6: Final answer
    x = 1,510.09

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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.