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Finding the Fourth Proportional to 3,394.72, 4,681.02 and 2,948.68

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Solution

The fourth proportional to 3,394.72, 4,681.02 and 2,948.68 is: 4,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.72 : 4,681.02 = 2,948.68 : x
  2. Step 2: Convert to fraction form
    3,394.72/4,681.02 = 2,948.68/x
  3. Step 3: Cross multiply
    3,394.72x = 4,681.02 × 2,948.68
  4. Step 4: Simplify right side
    3,394.72x = 13,802,830.05
  5. Step 5: Solve for x
    x = 13,802,830.05/3,394.72
  6. Step 6: Final answer
    x = 4,065.97

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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.