Home / 3,770.08-5,203.31-2,278.19

Finding the Fourth Proportional to 3,770.08, 5,203.31 and 2,278.19

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Solution

The fourth proportional to 3,770.08, 5,203.31 and 2,278.19 is: 3,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.08 : 5,203.31 = 2,278.19 : x
  2. Step 2: Convert to fraction form
    3,770.08/5,203.31 = 2,278.19/x
  3. Step 3: Cross multiply
    3,770.08x = 5,203.31 × 2,278.19
  4. Step 4: Simplify right side
    3,770.08x = 11,854,130.43
  5. Step 5: Solve for x
    x = 11,854,130.43/3,770.08
  6. Step 6: Final answer
    x = 3,144.27

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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.