Home / 3,707.80-5,553.60-3,297.40

Finding the Fourth Proportional to 3,707.80, 5,553.60 and 3,297.40

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Solution

The fourth proportional to 3,707.80, 5,553.60 and 3,297.40 is: 4,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.80 : 5,553.60 = 3,297.40 : x
  2. Step 2: Convert to fraction form
    3,707.80/5,553.60 = 3,297.40/x
  3. Step 3: Cross multiply
    3,707.80x = 5,553.60 × 3,297.40
  4. Step 4: Simplify right side
    3,707.80x = 18,312,440.64
  5. Step 5: Solve for x
    x = 18,312,440.64/3,707.80
  6. Step 6: Final answer
    x = 4,938.90

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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.