Home / 3,426.80-5,147.40-3,304.40

Finding the Fourth Proportional to 3,426.80, 5,147.40 and 3,304.40

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Solution

The fourth proportional to 3,426.80, 5,147.40 and 3,304.40 is: 4,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.80 : 5,147.40 = 3,304.40 : x
  2. Step 2: Convert to fraction form
    3,426.80/5,147.40 = 3,304.40/x
  3. Step 3: Cross multiply
    3,426.80x = 5,147.40 × 3,304.40
  4. Step 4: Simplify right side
    3,426.80x = 17,009,068.56
  5. Step 5: Solve for x
    x = 17,009,068.56/3,426.80
  6. Step 6: Final answer
    x = 4,963.54

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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.