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Finding the Fourth Proportional to 3,463.66, 4,779.72 and 1,891.72

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Solution

The fourth proportional to 3,463.66, 4,779.72 and 1,891.72 is: 2,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.66 : 4,779.72 = 1,891.72 : x
  2. Step 2: Convert to fraction form
    3,463.66/4,779.72 = 1,891.72/x
  3. Step 3: Cross multiply
    3,463.66x = 4,779.72 × 1,891.72
  4. Step 4: Simplify right side
    3,463.66x = 9,041,891.92
  5. Step 5: Solve for x
    x = 9,041,891.92/3,463.66
  6. Step 6: Final answer
    x = 2,610.50

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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.