Home / 4,340.78-5,990.24-2,351.31

Finding the Fourth Proportional to 4,340.78, 5,990.24 and 2,351.31

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Solution

The fourth proportional to 4,340.78, 5,990.24 and 2,351.31 is: 3,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.78 : 5,990.24 = 2,351.31 : x
  2. Step 2: Convert to fraction form
    4,340.78/5,990.24 = 2,351.31/x
  3. Step 3: Cross multiply
    4,340.78x = 5,990.24 × 2,351.31
  4. Step 4: Simplify right side
    4,340.78x = 14,084,899.46
  5. Step 5: Solve for x
    x = 14,084,899.46/4,340.78
  6. Step 6: Final answer
    x = 3,244.79

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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.