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Finding the Fourth Proportional to 2,388.72, 3,583.08 and 1,363.44

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Solution

The fourth proportional to 2,388.72, 3,583.08 and 1,363.44 is: 2,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.72 : 3,583.08 = 1,363.44 : x
  2. Step 2: Convert to fraction form
    2,388.72/3,583.08 = 1,363.44/x
  3. Step 3: Cross multiply
    2,388.72x = 3,583.08 × 1,363.44
  4. Step 4: Simplify right side
    2,388.72x = 4,885,314.60
  5. Step 5: Solve for x
    x = 4,885,314.60/2,388.72
  6. Step 6: Final answer
    x = 2,045.16

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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.