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Finding the Fourth Proportional to 1,463.04, 2,018.96 and 873.60

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Solution

The fourth proportional to 1,463.04, 2,018.96 and 873.60 is: 1,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.04 : 2,018.96 = 873.60 : x
  2. Step 2: Convert to fraction form
    1,463.04/2,018.96 = 873.60/x
  3. Step 3: Cross multiply
    1,463.04x = 2,018.96 × 873.60
  4. Step 4: Simplify right side
    1,463.04x = 1,763,763.46
  5. Step 5: Solve for x
    x = 1,763,763.46/1,463.04
  6. Step 6: Final answer
    x = 1,205.55

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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.