Home / 3,369.53-4,652.90-2,112.75

Finding the Fourth Proportional to 3,369.53, 4,652.90 and 2,112.75

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Solution

The fourth proportional to 3,369.53, 4,652.90 and 2,112.75 is: 2,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.53 : 4,652.90 = 2,112.75 : x
  2. Step 2: Convert to fraction form
    3,369.53/4,652.90 = 2,112.75/x
  3. Step 3: Cross multiply
    3,369.53x = 4,652.90 × 2,112.75
  4. Step 4: Simplify right side
    3,369.53x = 9,830,414.48
  5. Step 5: Solve for x
    x = 9,830,414.48/3,369.53
  6. Step 6: Final answer
    x = 2,917.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.