Home / 1,862.14-2,787.54-1,512.22

Finding the Fourth Proportional to 1,862.14, 2,787.54 and 1,512.22

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Solution

The fourth proportional to 1,862.14, 2,787.54 and 1,512.22 is: 2,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.14 : 2,787.54 = 1,512.22 : x
  2. Step 2: Convert to fraction form
    1,862.14/2,787.54 = 1,512.22/x
  3. Step 3: Cross multiply
    1,862.14x = 2,787.54 × 1,512.22
  4. Step 4: Simplify right side
    1,862.14x = 4,215,373.74
  5. Step 5: Solve for x
    x = 4,215,373.74/1,862.14
  6. Step 6: Final answer
    x = 2,263.73

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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.