Home / 1,371.88-2,052.34-1,216.06

Finding the Fourth Proportional to 1,371.88, 2,052.34 and 1,216.06

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Solution

The fourth proportional to 1,371.88, 2,052.34 and 1,216.06 is: 1,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.88 : 2,052.34 = 1,216.06 : x
  2. Step 2: Convert to fraction form
    1,371.88/2,052.34 = 1,216.06/x
  3. Step 3: Cross multiply
    1,371.88x = 2,052.34 × 1,216.06
  4. Step 4: Simplify right side
    1,371.88x = 2,495,768.58
  5. Step 5: Solve for x
    x = 2,495,768.58/1,371.88
  6. Step 6: Final answer
    x = 1,819.23

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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.