Home / 3,740.12-5,635.52-3,105.08

Finding the Fourth Proportional to 3,740.12, 5,635.52 and 3,105.08

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Solution

The fourth proportional to 3,740.12, 5,635.52 and 3,105.08 is: 4,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.12 : 5,635.52 = 3,105.08 : x
  2. Step 2: Convert to fraction form
    3,740.12/5,635.52 = 3,105.08/x
  3. Step 3: Cross multiply
    3,740.12x = 5,635.52 × 3,105.08
  4. Step 4: Simplify right side
    3,740.12x = 17,498,740.44
  5. Step 5: Solve for x
    x = 17,498,740.44/3,740.12
  6. Step 6: Final answer
    x = 4,678.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.