Home / 3,577.40-4,935.60-2,251.20

Finding the Fourth Proportional to 3,577.40, 4,935.60 and 2,251.20

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Solution

The fourth proportional to 3,577.40, 4,935.60 and 2,251.20 is: 3,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.40 : 4,935.60 = 2,251.20 : x
  2. Step 2: Convert to fraction form
    3,577.40/4,935.60 = 2,251.20/x
  3. Step 3: Cross multiply
    3,577.40x = 4,935.60 × 2,251.20
  4. Step 4: Simplify right side
    3,577.40x = 11,111,022.72
  5. Step 5: Solve for x
    x = 11,111,022.72/3,577.40
  6. Step 6: Final answer
    x = 3,105.89

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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.