Home / 2,922.68-4,033.30-1,874.74

Finding the Fourth Proportional to 2,922.68, 4,033.30 and 1,874.74

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Solution

The fourth proportional to 2,922.68, 4,033.30 and 1,874.74 is: 2,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.68 : 4,033.30 = 1,874.74 : x
  2. Step 2: Convert to fraction form
    2,922.68/4,033.30 = 1,874.74/x
  3. Step 3: Cross multiply
    2,922.68x = 4,033.30 × 1,874.74
  4. Step 4: Simplify right side
    2,922.68x = 7,561,388.84
  5. Step 5: Solve for x
    x = 7,561,388.84/2,922.68
  6. Step 6: Final answer
    x = 2,587.14

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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.