Home / 2,922.68-4,036.03-1,876.57

Finding the Fourth Proportional to 2,922.68, 4,036.03 and 1,876.57

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Solution

The fourth proportional to 2,922.68, 4,036.03 and 1,876.57 is: 2,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.68 : 4,036.03 = 1,876.57 : x
  2. Step 2: Convert to fraction form
    2,922.68/4,036.03 = 1,876.57/x
  3. Step 3: Cross multiply
    2,922.68x = 4,036.03 × 1,876.57
  4. Step 4: Simplify right side
    2,922.68x = 7,573,878.04
  5. Step 5: Solve for x
    x = 7,573,878.04/2,922.68
  6. Step 6: Final answer
    x = 2,591.41

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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.