Home / 4,268.61-6,398.53-1,635.40

Finding the Fourth Proportional to 4,268.61, 6,398.53 and 1,635.40

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Solution

The fourth proportional to 4,268.61, 6,398.53 and 1,635.40 is: 2,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.61 : 6,398.53 = 1,635.40 : x
  2. Step 2: Convert to fraction form
    4,268.61/6,398.53 = 1,635.40/x
  3. Step 3: Cross multiply
    4,268.61x = 6,398.53 × 1,635.40
  4. Step 4: Simplify right side
    4,268.61x = 10,464,175.77
  5. Step 5: Solve for x
    x = 10,464,175.77/4,268.61
  6. Step 6: Final answer
    x = 2,451.42

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Why These Related Problems?

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