Home / 2,108.19-3,166.38-1,718.48

Finding the Fourth Proportional to 2,108.19, 3,166.38 and 1,718.48

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Solution

The fourth proportional to 2,108.19, 3,166.38 and 1,718.48 is: 2,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.19 : 3,166.38 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    2,108.19/3,166.38 = 1,718.48/x
  3. Step 3: Cross multiply
    2,108.19x = 3,166.38 × 1,718.48
  4. Step 4: Simplify right side
    2,108.19x = 5,441,344.87
  5. Step 5: Solve for x
    x = 5,441,344.87/2,108.19
  6. Step 6: Final answer
    x = 2,581.06

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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.