Home / 2,673.90-4,005.36-1,793.70

Finding the Fourth Proportional to 2,673.90, 4,005.36 and 1,793.70

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Solution

The fourth proportional to 2,673.90, 4,005.36 and 1,793.70 is: 2,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.90 : 4,005.36 = 1,793.70 : x
  2. Step 2: Convert to fraction form
    2,673.90/4,005.36 = 1,793.70/x
  3. Step 3: Cross multiply
    2,673.90x = 4,005.36 × 1,793.70
  4. Step 4: Simplify right side
    2,673.90x = 7,184,414.23
  5. Step 5: Solve for x
    x = 7,184,414.23/2,673.90
  6. Step 6: Final answer
    x = 2,686.87

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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.