Home / 3,537.36-5,313.78-2,151.45

Finding the Fourth Proportional to 3,537.36, 5,313.78 and 2,151.45

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Solution

The fourth proportional to 3,537.36, 5,313.78 and 2,151.45 is: 3,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.36 : 5,313.78 = 2,151.45 : x
  2. Step 2: Convert to fraction form
    3,537.36/5,313.78 = 2,151.45/x
  3. Step 3: Cross multiply
    3,537.36x = 5,313.78 × 2,151.45
  4. Step 4: Simplify right side
    3,537.36x = 11,432,331.98
  5. Step 5: Solve for x
    x = 11,432,331.98/3,537.36
  6. Step 6: Final answer
    x = 3,231.88

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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.