Home / 2,940.30-4,057.29-2,350.62

Finding the Fourth Proportional to 2,940.30, 4,057.29 and 2,350.62

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Solution

The fourth proportional to 2,940.30, 4,057.29 and 2,350.62 is: 3,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.30 : 4,057.29 = 2,350.62 : x
  2. Step 2: Convert to fraction form
    2,940.30/4,057.29 = 2,350.62/x
  3. Step 3: Cross multiply
    2,940.30x = 4,057.29 × 2,350.62
  4. Step 4: Simplify right side
    2,940.30x = 9,537,147.02
  5. Step 5: Solve for x
    x = 9,537,147.02/2,940.30
  6. Step 6: Final answer
    x = 3,243.60

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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.