Home / 2,940.74-4,395.20-2,707.24

Finding the Fourth Proportional to 2,940.74, 4,395.20 and 2,707.24

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Solution

The fourth proportional to 2,940.74, 4,395.20 and 2,707.24 is: 4,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.74 : 4,395.20 = 2,707.24 : x
  2. Step 2: Convert to fraction form
    2,940.74/4,395.20 = 2,707.24/x
  3. Step 3: Cross multiply
    2,940.74x = 4,395.20 × 2,707.24
  4. Step 4: Simplify right side
    2,940.74x = 11,898,861.25
  5. Step 5: Solve for x
    x = 11,898,861.25/2,940.74
  6. Step 6: Final answer
    x = 4,046.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.