Home / 2,191.44-3,287.34-1,705.05

Finding the Fourth Proportional to 2,191.44, 3,287.34 and 1,705.05

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Solution

The fourth proportional to 2,191.44, 3,287.34 and 1,705.05 is: 2,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.44 : 3,287.34 = 1,705.05 : x
  2. Step 2: Convert to fraction form
    2,191.44/3,287.34 = 1,705.05/x
  3. Step 3: Cross multiply
    2,191.44x = 3,287.34 × 1,705.05
  4. Step 4: Simplify right side
    2,191.44x = 5,605,079.07
  5. Step 5: Solve for x
    x = 5,605,079.07/2,191.44
  6. Step 6: Final answer
    x = 2,557.72

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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.