Home / 1,793.36-2,689.54-1,271.82

Finding the Fourth Proportional to 1,793.36, 2,689.54 and 1,271.82

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Solution

The fourth proportional to 1,793.36, 2,689.54 and 1,271.82 is: 1,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.36 : 2,689.54 = 1,271.82 : x
  2. Step 2: Convert to fraction form
    1,793.36/2,689.54 = 1,271.82/x
  3. Step 3: Cross multiply
    1,793.36x = 2,689.54 × 1,271.82
  4. Step 4: Simplify right side
    1,793.36x = 3,420,607.58
  5. Step 5: Solve for x
    x = 3,420,607.58/1,793.36
  6. Step 6: Final answer
    x = 1,907.38

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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.