Home / 2,113.20-3,164.67-1,461.96

Finding the Fourth Proportional to 2,113.20, 3,164.67 and 1,461.96

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Solution

The fourth proportional to 2,113.20, 3,164.67 and 1,461.96 is: 2,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.20 : 3,164.67 = 1,461.96 : x
  2. Step 2: Convert to fraction form
    2,113.20/3,164.67 = 1,461.96/x
  3. Step 3: Cross multiply
    2,113.20x = 3,164.67 × 1,461.96
  4. Step 4: Simplify right side
    2,113.20x = 4,626,620.95
  5. Step 5: Solve for x
    x = 4,626,620.95/2,113.20
  6. Step 6: Final answer
    x = 2,189.39

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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.