Home / 2,853.38-4,274.01-1,862.69

Finding the Fourth Proportional to 2,853.38, 4,274.01 and 1,862.69

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Solution

The fourth proportional to 2,853.38, 4,274.01 and 1,862.69 is: 2,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.38 : 4,274.01 = 1,862.69 : x
  2. Step 2: Convert to fraction form
    2,853.38/4,274.01 = 1,862.69/x
  3. Step 3: Cross multiply
    2,853.38x = 4,274.01 × 1,862.69
  4. Step 4: Simplify right side
    2,853.38x = 7,961,168.70
  5. Step 5: Solve for x
    x = 7,961,168.70/2,853.38
  6. Step 6: Final answer
    x = 2,790.08

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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.