Home / 2,612.66-3,936.94-2,160.59

Finding the Fourth Proportional to 2,612.66, 3,936.94 and 2,160.59

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Solution

The fourth proportional to 2,612.66, 3,936.94 and 2,160.59 is: 3,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.66 : 3,936.94 = 2,160.59 : x
  2. Step 2: Convert to fraction form
    2,612.66/3,936.94 = 2,160.59/x
  3. Step 3: Cross multiply
    2,612.66x = 3,936.94 × 2,160.59
  4. Step 4: Simplify right side
    2,612.66x = 8,506,110.25
  5. Step 5: Solve for x
    x = 8,506,110.25/2,612.66
  6. Step 6: Final answer
    x = 3,255.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.