Home / 3,917.28-5,873.04-2,762.40

Finding the Fourth Proportional to 3,917.28, 5,873.04 and 2,762.40

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Solution

The fourth proportional to 3,917.28, 5,873.04 and 2,762.40 is: 4,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.28 : 5,873.04 = 2,762.40 : x
  2. Step 2: Convert to fraction form
    3,917.28/5,873.04 = 2,762.40/x
  3. Step 3: Cross multiply
    3,917.28x = 5,873.04 × 2,762.40
  4. Step 4: Simplify right side
    3,917.28x = 16,223,685.70
  5. Step 5: Solve for x
    x = 16,223,685.70/3,917.28
  6. Step 6: Final answer
    x = 4,141.57

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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.