Home / 3,313.56-4,967.10-2,142.30

Finding the Fourth Proportional to 3,313.56, 4,967.10 and 2,142.30

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Solution

The fourth proportional to 3,313.56, 4,967.10 and 2,142.30 is: 3,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.56 : 4,967.10 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    3,313.56/4,967.10 = 2,142.30/x
  3. Step 3: Cross multiply
    3,313.56x = 4,967.10 × 2,142.30
  4. Step 4: Simplify right side
    3,313.56x = 10,641,018.33
  5. Step 5: Solve for x
    x = 10,641,018.33/3,313.56
  6. Step 6: Final answer
    x = 3,211.36

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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.