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Finding the Fourth Proportional to 3,464.40, 4,779 and 2,066.88

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Solution

The fourth proportional to 3,464.40, 4,779 and 2,066.88 is: 2,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.40 : 4,779 = 2,066.88 : x
  2. Step 2: Convert to fraction form
    3,464.40/4,779 = 2,066.88/x
  3. Step 3: Cross multiply
    3,464.40x = 4,779 × 2,066.88
  4. Step 4: Simplify right side
    3,464.40x = 9,877,619.52
  5. Step 5: Solve for x
    x = 9,877,619.52/3,464.40
  6. Step 6: Final answer
    x = 2,851.18

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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.