Home / 3,278.52-4,909.02-2,617.32

Finding the Fourth Proportional to 3,278.52, 4,909.02 and 2,617.32

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Solution

The fourth proportional to 3,278.52, 4,909.02 and 2,617.32 is: 3,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.52 : 4,909.02 = 2,617.32 : x
  2. Step 2: Convert to fraction form
    3,278.52/4,909.02 = 2,617.32/x
  3. Step 3: Cross multiply
    3,278.52x = 4,909.02 × 2,617.32
  4. Step 4: Simplify right side
    3,278.52x = 12,848,476.23
  5. Step 5: Solve for x
    x = 12,848,476.23/3,278.52
  6. Step 6: Final answer
    x = 3,918.99

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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.