Home / 2,623.68-3,931.81-1,454.22

Finding the Fourth Proportional to 2,623.68, 3,931.81 and 1,454.22

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Solution

The fourth proportional to 2,623.68, 3,931.81 and 1,454.22 is: 2,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.68 : 3,931.81 = 1,454.22 : x
  2. Step 2: Convert to fraction form
    2,623.68/3,931.81 = 1,454.22/x
  3. Step 3: Cross multiply
    2,623.68x = 3,931.81 × 1,454.22
  4. Step 4: Simplify right side
    2,623.68x = 5,717,716.74
  5. Step 5: Solve for x
    x = 5,717,716.74/2,623.68
  6. Step 6: Final answer
    x = 2,179.27

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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.