Home / 2,835.20-4,244.81-2,139.66

Finding the Fourth Proportional to 2,835.20, 4,244.81 and 2,139.66

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Solution

The fourth proportional to 2,835.20, 4,244.81 and 2,139.66 is: 3,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.20 : 4,244.81 = 2,139.66 : x
  2. Step 2: Convert to fraction form
    2,835.20/4,244.81 = 2,139.66/x
  3. Step 3: Cross multiply
    2,835.20x = 4,244.81 × 2,139.66
  4. Step 4: Simplify right side
    2,835.20x = 9,082,450.16
  5. Step 5: Solve for x
    x = 9,082,450.16/2,835.20
  6. Step 6: Final answer
    x = 3,203.46

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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.