Home / 3,920.96-5,873.76-2,274.06

Finding the Fourth Proportional to 3,920.96, 5,873.76 and 2,274.06

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Solution

The fourth proportional to 3,920.96, 5,873.76 and 2,274.06 is: 3,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.96 : 5,873.76 = 2,274.06 : x
  2. Step 2: Convert to fraction form
    3,920.96/5,873.76 = 2,274.06/x
  3. Step 3: Cross multiply
    3,920.96x = 5,873.76 × 2,274.06
  4. Step 4: Simplify right side
    3,920.96x = 13,357,282.67
  5. Step 5: Solve for x
    x = 13,357,282.67/3,920.96
  6. Step 6: Final answer
    x = 3,406.64

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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.