Home / 3,241.31-4,473.56-1,915.07

Finding the Fourth Proportional to 3,241.31, 4,473.56 and 1,915.07

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Solution

The fourth proportional to 3,241.31, 4,473.56 and 1,915.07 is: 2,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.31 : 4,473.56 = 1,915.07 : x
  2. Step 2: Convert to fraction form
    3,241.31/4,473.56 = 1,915.07/x
  3. Step 3: Cross multiply
    3,241.31x = 4,473.56 × 1,915.07
  4. Step 4: Simplify right side
    3,241.31x = 8,567,162.97
  5. Step 5: Solve for x
    x = 8,567,162.97/3,241.31
  6. Step 6: Final answer
    x = 2,643.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.