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Finding the Fourth Proportional to 1,463.23, 2,018.47 and 873.65

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Solution

The fourth proportional to 1,463.23, 2,018.47 and 873.65 is: 1,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.23 : 2,018.47 = 873.65 : x
  2. Step 2: Convert to fraction form
    1,463.23/2,018.47 = 873.65/x
  3. Step 3: Cross multiply
    1,463.23x = 2,018.47 × 873.65
  4. Step 4: Simplify right side
    1,463.23x = 1,763,440.82
  5. Step 5: Solve for x
    x = 1,763,440.82/1,463.23
  6. Step 6: Final answer
    x = 1,205.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.