Home / 3,376.31-5,062.84-1,915.07

Finding the Fourth Proportional to 3,376.31, 5,062.84 and 1,915.07

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Solution

The fourth proportional to 3,376.31, 5,062.84 and 1,915.07 is: 2,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.31 : 5,062.84 = 1,915.07 : x
  2. Step 2: Convert to fraction form
    3,376.31/5,062.84 = 1,915.07/x
  3. Step 3: Cross multiply
    3,376.31x = 5,062.84 × 1,915.07
  4. Step 4: Simplify right side
    3,376.31x = 9,695,662.90
  5. Step 5: Solve for x
    x = 9,695,662.90/3,376.31
  6. Step 6: Final answer
    x = 2,871.68

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1.5x scale

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.