Home / 3,376.80-5,054.40-3,117.60

Finding the Fourth Proportional to 3,376.80, 5,054.40 and 3,117.60

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Solution

The fourth proportional to 3,376.80, 5,054.40 and 3,117.60 is: 4,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.80 : 5,054.40 = 3,117.60 : x
  2. Step 2: Convert to fraction form
    3,376.80/5,054.40 = 3,117.60/x
  3. Step 3: Cross multiply
    3,376.80x = 5,054.40 × 3,117.60
  4. Step 4: Simplify right side
    3,376.80x = 15,757,597.44
  5. Step 5: Solve for x
    x = 15,757,597.44/3,376.80
  6. Step 6: Final answer
    x = 4,666.43

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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.