Home / 1,255.50-1,885.19-1,200.04

Finding the Fourth Proportional to 1,255.50, 1,885.19 and 1,200.04

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Solution

The fourth proportional to 1,255.50, 1,885.19 and 1,200.04 is: 1,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.50 : 1,885.19 = 1,200.04 : x
  2. Step 2: Convert to fraction form
    1,255.50/1,885.19 = 1,200.04/x
  3. Step 3: Cross multiply
    1,255.50x = 1,885.19 × 1,200.04
  4. Step 4: Simplify right side
    1,255.50x = 2,262,303.41
  5. Step 5: Solve for x
    x = 2,262,303.41/1,255.50
  6. Step 6: Final answer
    x = 1,801.91

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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.