Home / 3,770.08-5,202.36-2,278.24

Finding the Fourth Proportional to 3,770.08, 5,202.36 and 2,278.24

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Solution

The fourth proportional to 3,770.08, 5,202.36 and 2,278.24 is: 3,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.08 : 5,202.36 = 2,278.24 : x
  2. Step 2: Convert to fraction form
    3,770.08/5,202.36 = 2,278.24/x
  3. Step 3: Cross multiply
    3,770.08x = 5,202.36 × 2,278.24
  4. Step 4: Simplify right side
    3,770.08x = 11,852,224.65
  5. Step 5: Solve for x
    x = 11,852,224.65/3,770.08
  6. Step 6: Final answer
    x = 3,143.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.