Home / 2,108.06-3,162.42-1,717.12

Finding the Fourth Proportional to 2,108.06, 3,162.42 and 1,717.12

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Solution

The fourth proportional to 2,108.06, 3,162.42 and 1,717.12 is: 2,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.06 : 3,162.42 = 1,717.12 : x
  2. Step 2: Convert to fraction form
    2,108.06/3,162.42 = 1,717.12/x
  3. Step 3: Cross multiply
    2,108.06x = 3,162.42 × 1,717.12
  4. Step 4: Simplify right side
    2,108.06x = 5,430,254.63
  5. Step 5: Solve for x
    x = 5,430,254.63/2,108.06
  6. Step 6: Final answer
    x = 2,575.95

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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.