Home / 2,371.56-3,555.28-1,274.64

Finding the Fourth Proportional to 2,371.56, 3,555.28 and 1,274.64

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Solution

The fourth proportional to 2,371.56, 3,555.28 and 1,274.64 is: 1,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.56 : 3,555.28 = 1,274.64 : x
  2. Step 2: Convert to fraction form
    2,371.56/3,555.28 = 1,274.64/x
  3. Step 3: Cross multiply
    2,371.56x = 3,555.28 × 1,274.64
  4. Step 4: Simplify right side
    2,371.56x = 4,531,702.10
  5. Step 5: Solve for x
    x = 4,531,702.10/2,371.56
  6. Step 6: Final answer
    x = 1,910.85

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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.