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Finding the Fourth Proportional to 2,808.93, 4,214.61 and 1,508.88

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Solution

The fourth proportional to 2,808.93, 4,214.61 and 1,508.88 is: 2,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.93 : 4,214.61 = 1,508.88 : x
  2. Step 2: Convert to fraction form
    2,808.93/4,214.61 = 1,508.88/x
  3. Step 3: Cross multiply
    2,808.93x = 4,214.61 × 1,508.88
  4. Step 4: Simplify right side
    2,808.93x = 6,359,340.74
  5. Step 5: Solve for x
    x = 6,359,340.74/2,808.93
  6. Step 6: Final answer
    x = 2,263.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.