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Finding the Fourth Proportional to 2,383.64, 3,574.38 and 1,549.88

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Solution

The fourth proportional to 2,383.64, 3,574.38 and 1,549.88 is: 2,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.64 : 3,574.38 = 1,549.88 : x
  2. Step 2: Convert to fraction form
    2,383.64/3,574.38 = 1,549.88/x
  3. Step 3: Cross multiply
    2,383.64x = 3,574.38 × 1,549.88
  4. Step 4: Simplify right side
    2,383.64x = 5,539,860.07
  5. Step 5: Solve for x
    x = 5,539,860.07/2,383.64
  6. Step 6: Final answer
    x = 2,324.12

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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.