Home / 2,169.35-3,253.20-1,712.51

Finding the Fourth Proportional to 2,169.35, 3,253.20 and 1,712.51

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Solution

The fourth proportional to 2,169.35, 3,253.20 and 1,712.51 is: 2,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.35 : 3,253.20 = 1,712.51 : x
  2. Step 2: Convert to fraction form
    2,169.35/3,253.20 = 1,712.51/x
  3. Step 3: Cross multiply
    2,169.35x = 3,253.20 × 1,712.51
  4. Step 4: Simplify right side
    2,169.35x = 5,571,137.53
  5. Step 5: Solve for x
    x = 5,571,137.53/2,169.35
  6. Step 6: Final answer
    x = 2,568.11

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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.