Home / 2,191.14-3,285.90-2,053.44

Finding the Fourth Proportional to 2,191.14, 3,285.90 and 2,053.44

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Solution

The fourth proportional to 2,191.14, 3,285.90 and 2,053.44 is: 3,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.14 : 3,285.90 = 2,053.44 : x
  2. Step 2: Convert to fraction form
    2,191.14/3,285.90 = 2,053.44/x
  3. Step 3: Cross multiply
    2,191.14x = 3,285.90 × 2,053.44
  4. Step 4: Simplify right side
    2,191.14x = 6,747,398.50
  5. Step 5: Solve for x
    x = 6,747,398.50/2,191.14
  6. Step 6: Final answer
    x = 3,079.40

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1.5x scale

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.