Home / 2,168.35-3,251.70-1,711.51

Finding the Fourth Proportional to 2,168.35, 3,251.70 and 1,711.51

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Solution

The fourth proportional to 2,168.35, 3,251.70 and 1,711.51 is: 2,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.35 : 3,251.70 = 1,711.51 : x
  2. Step 2: Convert to fraction form
    2,168.35/3,251.70 = 1,711.51/x
  3. Step 3: Cross multiply
    2,168.35x = 3,251.70 × 1,711.51
  4. Step 4: Simplify right side
    2,168.35x = 5,565,317.07
  5. Step 5: Solve for x
    x = 5,565,317.07/2,168.35
  6. Step 6: Final answer
    x = 2,566.61

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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.