Home / 3,577.14-4,935.52-2,159.70

Finding the Fourth Proportional to 3,577.14, 4,935.52 and 2,159.70

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Solution

The fourth proportional to 3,577.14, 4,935.52 and 2,159.70 is: 2,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.14 : 4,935.52 = 2,159.70 : x
  2. Step 2: Convert to fraction form
    3,577.14/4,935.52 = 2,159.70/x
  3. Step 3: Cross multiply
    3,577.14x = 4,935.52 × 2,159.70
  4. Step 4: Simplify right side
    3,577.14x = 10,659,242.54
  5. Step 5: Solve for x
    x = 10,659,242.54/3,577.14
  6. Step 6: Final answer
    x = 2,979.82

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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.