Home / 3,730.82-5,148.62-2,159.02

Finding the Fourth Proportional to 3,730.82, 5,148.62 and 2,159.02

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Solution

The fourth proportional to 3,730.82, 5,148.62 and 2,159.02 is: 2,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.82 : 5,148.62 = 2,159.02 : x
  2. Step 2: Convert to fraction form
    3,730.82/5,148.62 = 2,159.02/x
  3. Step 3: Cross multiply
    3,730.82x = 5,148.62 × 2,159.02
  4. Step 4: Simplify right side
    3,730.82x = 11,115,973.55
  5. Step 5: Solve for x
    x = 11,115,973.55/3,730.82
  6. Step 6: Final answer
    x = 2,979.50

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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.