Home / 4,287.49-5,917.30-2,399.79

Finding the Fourth Proportional to 4,287.49, 5,917.30 and 2,399.79

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Solution

The fourth proportional to 4,287.49, 5,917.30 and 2,399.79 is: 3,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.49 : 5,917.30 = 2,399.79 : x
  2. Step 2: Convert to fraction form
    4,287.49/5,917.30 = 2,399.79/x
  3. Step 3: Cross multiply
    4,287.49x = 5,917.30 × 2,399.79
  4. Step 4: Simplify right side
    4,287.49x = 14,200,277.37
  5. Step 5: Solve for x
    x = 14,200,277.37/4,287.49
  6. Step 6: Final answer
    x = 3,312.03

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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.