Home / 3,202.49-4,415.01-2,140.31

Finding the Fourth Proportional to 3,202.49, 4,415.01 and 2,140.31

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Solution

The fourth proportional to 3,202.49, 4,415.01 and 2,140.31 is: 2,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.49 : 4,415.01 = 2,140.31 : x
  2. Step 2: Convert to fraction form
    3,202.49/4,415.01 = 2,140.31/x
  3. Step 3: Cross multiply
    3,202.49x = 4,415.01 × 2,140.31
  4. Step 4: Simplify right side
    3,202.49x = 9,449,490.05
  5. Step 5: Solve for x
    x = 9,449,490.05/3,202.49
  6. Step 6: Final answer
    x = 2,950.67

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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.