Home / 2,940.05-4,057.32-1,613.88

Finding the Fourth Proportional to 2,940.05, 4,057.32 and 1,613.88

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Solution

The fourth proportional to 2,940.05, 4,057.32 and 1,613.88 is: 2,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.05 : 4,057.32 = 1,613.88 : x
  2. Step 2: Convert to fraction form
    2,940.05/4,057.32 = 1,613.88/x
  3. Step 3: Cross multiply
    2,940.05x = 4,057.32 × 1,613.88
  4. Step 4: Simplify right side
    2,940.05x = 6,547,999.25
  5. Step 5: Solve for x
    x = 6,547,999.25/2,940.05
  6. Step 6: Final answer
    x = 2,227.17

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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.