Home / 4,242.10-6,359.84-2,019.79

Finding the Fourth Proportional to 4,242.10, 6,359.84 and 2,019.79

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Solution

The fourth proportional to 4,242.10, 6,359.84 and 2,019.79 is: 3,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.10 : 6,359.84 = 2,019.79 : x
  2. Step 2: Convert to fraction form
    4,242.10/6,359.84 = 2,019.79/x
  3. Step 3: Cross multiply
    4,242.10x = 6,359.84 × 2,019.79
  4. Step 4: Simplify right side
    4,242.10x = 12,845,516.57
  5. Step 5: Solve for x
    x = 12,845,516.57/4,242.10
  6. Step 6: Final answer
    x = 3,028.11

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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.