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Finding the Fourth Proportional to 3,644.94, 5,459.17 and 2,988.82

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Solution

The fourth proportional to 3,644.94, 5,459.17 and 2,988.82 is: 4,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.94 : 5,459.17 = 2,988.82 : x
  2. Step 2: Convert to fraction form
    3,644.94/5,459.17 = 2,988.82/x
  3. Step 3: Cross multiply
    3,644.94x = 5,459.17 × 2,988.82
  4. Step 4: Simplify right side
    3,644.94x = 16,316,476.48
  5. Step 5: Solve for x
    x = 16,316,476.48/3,644.94
  6. Step 6: Final answer
    x = 4,476.47

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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.