Home / 3,706.20-5,557.68-1,108.64

Finding the Fourth Proportional to 3,706.20, 5,557.68 and 1,108.64

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Solution

The fourth proportional to 3,706.20, 5,557.68 and 1,108.64 is: 1,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.20 : 5,557.68 = 1,108.64 : x
  2. Step 2: Convert to fraction form
    3,706.20/5,557.68 = 1,108.64/x
  3. Step 3: Cross multiply
    3,706.20x = 5,557.68 × 1,108.64
  4. Step 4: Simplify right side
    3,706.20x = 6,161,466.36
  5. Step 5: Solve for x
    x = 6,161,466.36/3,706.20
  6. Step 6: Final answer
    x = 1,662.48

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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.