Home / 3,516.35-4,852.19-2,190.20

Finding the Fourth Proportional to 3,516.35, 4,852.19 and 2,190.20

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Solution

The fourth proportional to 3,516.35, 4,852.19 and 2,190.20 is: 3,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.35 : 4,852.19 = 2,190.20 : x
  2. Step 2: Convert to fraction form
    3,516.35/4,852.19 = 2,190.20/x
  3. Step 3: Cross multiply
    3,516.35x = 4,852.19 × 2,190.20
  4. Step 4: Simplify right side
    3,516.35x = 10,627,247.75
  5. Step 5: Solve for x
    x = 10,627,247.75/3,516.35
  6. Step 6: Final answer
    x = 3,022.24

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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.