Home / 3,942.49-5,440.44-2,545.24

Finding the Fourth Proportional to 3,942.49, 5,440.44 and 2,545.24

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Solution

The fourth proportional to 3,942.49, 5,440.44 and 2,545.24 is: 3,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.49 : 5,440.44 = 2,545.24 : x
  2. Step 2: Convert to fraction form
    3,942.49/5,440.44 = 2,545.24/x
  3. Step 3: Cross multiply
    3,942.49x = 5,440.44 × 2,545.24
  4. Step 4: Simplify right side
    3,942.49x = 13,847,225.51
  5. Step 5: Solve for x
    x = 13,847,225.51/3,942.49
  6. Step 6: Final answer
    x = 3,512.30

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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.