Home / 3,577.79-4,938.44-2,318.92

Finding the Fourth Proportional to 3,577.79, 4,938.44 and 2,318.92

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Solution

The fourth proportional to 3,577.79, 4,938.44 and 2,318.92 is: 3,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.79 : 4,938.44 = 2,318.92 : x
  2. Step 2: Convert to fraction form
    3,577.79/4,938.44 = 2,318.92/x
  3. Step 3: Cross multiply
    3,577.79x = 4,938.44 × 2,318.92
  4. Step 4: Simplify right side
    3,577.79x = 11,451,823.34
  5. Step 5: Solve for x
    x = 11,451,823.34/3,577.79
  6. Step 6: Final answer
    x = 3,200.81

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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.