Home / 3,376.37-5,061.14-1,618.80

Finding the Fourth Proportional to 3,376.37, 5,061.14 and 1,618.80

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Solution

The fourth proportional to 3,376.37, 5,061.14 and 1,618.80 is: 2,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.37 : 5,061.14 = 1,618.80 : x
  2. Step 2: Convert to fraction form
    3,376.37/5,061.14 = 1,618.80/x
  3. Step 3: Cross multiply
    3,376.37x = 5,061.14 × 1,618.80
  4. Step 4: Simplify right side
    3,376.37x = 8,192,973.43
  5. Step 5: Solve for x
    x = 8,192,973.43/3,376.37
  6. Step 6: Final answer
    x = 2,426.56

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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.