Home / 3,724.13-5,577.69-1,777.70

Finding the Fourth Proportional to 3,724.13, 5,577.69 and 1,777.70

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Solution

The fourth proportional to 3,724.13, 5,577.69 and 1,777.70 is: 2,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.13 : 5,577.69 = 1,777.70 : x
  2. Step 2: Convert to fraction form
    3,724.13/5,577.69 = 1,777.70/x
  3. Step 3: Cross multiply
    3,724.13x = 5,577.69 × 1,777.70
  4. Step 4: Simplify right side
    3,724.13x = 9,915,433.75
  5. Step 5: Solve for x
    x = 9,915,433.75/3,724.13
  6. Step 6: Final answer
    x = 2,662.49

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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.