Home / 3,577.05-4,937.40-2,318.18

Finding the Fourth Proportional to 3,577.05, 4,937.40 and 2,318.18

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Solution

The fourth proportional to 3,577.05, 4,937.40 and 2,318.18 is: 3,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.05 : 4,937.40 = 2,318.18 : x
  2. Step 2: Convert to fraction form
    3,577.05/4,937.40 = 2,318.18/x
  3. Step 3: Cross multiply
    3,577.05x = 4,937.40 × 2,318.18
  4. Step 4: Simplify right side
    3,577.05x = 11,445,757.25
  5. Step 5: Solve for x
    x = 11,445,757.25/3,577.05
  6. Step 6: Final answer
    x = 3,199.78

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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.