Home / 2,191.20-3,283.14-1,573.96

Finding the Fourth Proportional to 2,191.20, 3,283.14 and 1,573.96

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Solution

The fourth proportional to 2,191.20, 3,283.14 and 1,573.96 is: 2,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.20 : 3,283.14 = 1,573.96 : x
  2. Step 2: Convert to fraction form
    2,191.20/3,283.14 = 1,573.96/x
  3. Step 3: Cross multiply
    2,191.20x = 3,283.14 × 1,573.96
  4. Step 4: Simplify right side
    2,191.20x = 5,167,531.03
  5. Step 5: Solve for x
    x = 5,167,531.03/2,191.20
  6. Step 6: Final answer
    x = 2,358.31

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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.