Home / 2,215.60-3,323.41-2,080.28

Finding the Fourth Proportional to 2,215.60, 3,323.41 and 2,080.28

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Solution

The fourth proportional to 2,215.60, 3,323.41 and 2,080.28 is: 3,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.60 : 3,323.41 = 2,080.28 : x
  2. Step 2: Convert to fraction form
    2,215.60/3,323.41 = 2,080.28/x
  3. Step 3: Cross multiply
    2,215.60x = 3,323.41 × 2,080.28
  4. Step 4: Simplify right side
    2,215.60x = 6,913,612.95
  5. Step 5: Solve for x
    x = 6,913,612.95/2,215.60
  6. Step 6: Final answer
    x = 3,120.42

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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.