Home / 3,601.19-5,390.85-2,777.42

Finding the Fourth Proportional to 3,601.19, 5,390.85 and 2,777.42

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Solution

The fourth proportional to 3,601.19, 5,390.85 and 2,777.42 is: 4,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.19 : 5,390.85 = 2,777.42 : x
  2. Step 2: Convert to fraction form
    3,601.19/5,390.85 = 2,777.42/x
  3. Step 3: Cross multiply
    3,601.19x = 5,390.85 × 2,777.42
  4. Step 4: Simplify right side
    3,601.19x = 14,972,654.61
  5. Step 5: Solve for x
    x = 14,972,654.61/3,601.19
  6. Step 6: Final answer
    x = 4,157.70

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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.