Home / 2,086.08-3,124.80-1,843.20

Finding the Fourth Proportional to 2,086.08, 3,124.80 and 1,843.20

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Solution

The fourth proportional to 2,086.08, 3,124.80 and 1,843.20 is: 2,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.08 : 3,124.80 = 1,843.20 : x
  2. Step 2: Convert to fraction form
    2,086.08/3,124.80 = 1,843.20/x
  3. Step 3: Cross multiply
    2,086.08x = 3,124.80 × 1,843.20
  4. Step 4: Simplify right side
    2,086.08x = 5,759,631.36
  5. Step 5: Solve for x
    x = 5,759,631.36/2,086.08
  6. Step 6: Final answer
    x = 2,760.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.