Home / 2,939.62-4,057.05-1,697.62

Finding the Fourth Proportional to 2,939.62, 4,057.05 and 1,697.62

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Solution

The fourth proportional to 2,939.62, 4,057.05 and 1,697.62 is: 2,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.62 : 4,057.05 = 1,697.62 : x
  2. Step 2: Convert to fraction form
    2,939.62/4,057.05 = 1,697.62/x
  3. Step 3: Cross multiply
    2,939.62x = 4,057.05 × 1,697.62
  4. Step 4: Simplify right side
    2,939.62x = 6,887,329.22
  5. Step 5: Solve for x
    x = 6,887,329.22/2,939.62
  6. Step 6: Final answer
    x = 2,342.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.