Home / 3,214.48-4,823.55-1,268.05

Finding the Fourth Proportional to 3,214.48, 4,823.55 and 1,268.05

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Solution

The fourth proportional to 3,214.48, 4,823.55 and 1,268.05 is: 1,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.48 : 4,823.55 = 1,268.05 : x
  2. Step 2: Convert to fraction form
    3,214.48/4,823.55 = 1,268.05/x
  3. Step 3: Cross multiply
    3,214.48x = 4,823.55 × 1,268.05
  4. Step 4: Simplify right side
    3,214.48x = 6,116,508.30
  5. Step 5: Solve for x
    x = 6,116,508.30/3,214.48
  6. Step 6: Final answer
    x = 1,902.80

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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.