Home / 1,375.18-2,053.25-1,236.97

Finding the Fourth Proportional to 1,375.18, 2,053.25 and 1,236.97

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Solution

The fourth proportional to 1,375.18, 2,053.25 and 1,236.97 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.18 : 2,053.25 = 1,236.97 : x
  2. Step 2: Convert to fraction form
    1,375.18/2,053.25 = 1,236.97/x
  3. Step 3: Cross multiply
    1,375.18x = 2,053.25 × 1,236.97
  4. Step 4: Simplify right side
    1,375.18x = 2,539,809.67
  5. Step 5: Solve for x
    x = 2,539,809.67/1,375.18
  6. Step 6: Final answer
    x = 1,846.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.