Home / 3,475.37-5,212.71-1,914.86

Finding the Fourth Proportional to 3,475.37, 5,212.71 and 1,914.86

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Solution

The fourth proportional to 3,475.37, 5,212.71 and 1,914.86 is: 2,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.37 : 5,212.71 = 1,914.86 : x
  2. Step 2: Convert to fraction form
    3,475.37/5,212.71 = 1,914.86/x
  3. Step 3: Cross multiply
    3,475.37x = 5,212.71 × 1,914.86
  4. Step 4: Simplify right side
    3,475.37x = 9,981,583.81
  5. Step 5: Solve for x
    x = 9,981,583.81/3,475.37
  6. Step 6: Final answer
    x = 2,872.10

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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.