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Finding the Fourth Proportional to 2,917.62, 4,023.47 and 2,357.71

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Solution

The fourth proportional to 2,917.62, 4,023.47 and 2,357.71 is: 3,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.62 : 4,023.47 = 2,357.71 : x
  2. Step 2: Convert to fraction form
    2,917.62/4,023.47 = 2,357.71/x
  3. Step 3: Cross multiply
    2,917.62x = 4,023.47 × 2,357.71
  4. Step 4: Simplify right side
    2,917.62x = 9,486,171.29
  5. Step 5: Solve for x
    x = 9,486,171.29/2,917.62
  6. Step 6: Final answer
    x = 3,251.34

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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.