Home / 2,940.30-4,057.53-1,613.96

Finding the Fourth Proportional to 2,940.30, 4,057.53 and 1,613.96

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Solution

The fourth proportional to 2,940.30, 4,057.53 and 1,613.96 is: 2,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.30 : 4,057.53 = 1,613.96 : x
  2. Step 2: Convert to fraction form
    2,940.30/4,057.53 = 1,613.96/x
  3. Step 3: Cross multiply
    2,940.30x = 4,057.53 × 1,613.96
  4. Step 4: Simplify right side
    2,940.30x = 6,548,679.99
  5. Step 5: Solve for x
    x = 6,548,679.99/2,940.30
  6. Step 6: Final answer
    x = 2,227.21

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1.5x scale

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.