Home / 2,939.98-4,057.23-1,613.68

Finding the Fourth Proportional to 2,939.98, 4,057.23 and 1,613.68

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Solution

The fourth proportional to 2,939.98, 4,057.23 and 1,613.68 is: 2,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.98 : 4,057.23 = 1,613.68 : x
  2. Step 2: Convert to fraction form
    2,939.98/4,057.23 = 1,613.68/x
  3. Step 3: Cross multiply
    2,939.98x = 4,057.23 × 1,613.68
  4. Step 4: Simplify right side
    2,939.98x = 6,547,050.62
  5. Step 5: Solve for x
    x = 6,547,050.62/2,939.98
  6. Step 6: Final answer
    x = 2,226.91

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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.