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Finding the Fourth Proportional to 3,261.64, 4,888.04 and 1,502.78

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Solution

The fourth proportional to 3,261.64, 4,888.04 and 1,502.78 is: 2,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.64 : 4,888.04 = 1,502.78 : x
  2. Step 2: Convert to fraction form
    3,261.64/4,888.04 = 1,502.78/x
  3. Step 3: Cross multiply
    3,261.64x = 4,888.04 × 1,502.78
  4. Step 4: Simplify right side
    3,261.64x = 7,345,648.75
  5. Step 5: Solve for x
    x = 7,345,648.75/3,261.64
  6. Step 6: Final answer
    x = 2,252.13

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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.