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Finding the Fourth Proportional to 2,497.17, 3,447.57 and 2,220.40

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Solution

The fourth proportional to 2,497.17, 3,447.57 and 2,220.40 is: 3,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.17 : 3,447.57 = 2,220.40 : x
  2. Step 2: Convert to fraction form
    2,497.17/3,447.57 = 2,220.40/x
  3. Step 3: Cross multiply
    2,497.17x = 3,447.57 × 2,220.40
  4. Step 4: Simplify right side
    2,497.17x = 7,654,984.43
  5. Step 5: Solve for x
    x = 7,654,984.43/2,497.17
  6. Step 6: Final answer
    x = 3,065.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.