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Finding the Fourth Proportional to 2,642.54, 3,646.48 and 2,361.88

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Solution

The fourth proportional to 2,642.54, 3,646.48 and 2,361.88 is: 3,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.54 : 3,646.48 = 2,361.88 : x
  2. Step 2: Convert to fraction form
    2,642.54/3,646.48 = 2,361.88/x
  3. Step 3: Cross multiply
    2,642.54x = 3,646.48 × 2,361.88
  4. Step 4: Simplify right side
    2,642.54x = 8,612,548.18
  5. Step 5: Solve for x
    x = 8,612,548.18/2,642.54
  6. Step 6: Final answer
    x = 3,259.19

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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.