Home / 3,640.24-5,024.28-2,224.16

Finding the Fourth Proportional to 3,640.24, 5,024.28 and 2,224.16

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Solution

The fourth proportional to 3,640.24, 5,024.28 and 2,224.16 is: 3,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.24 : 5,024.28 = 2,224.16 : x
  2. Step 2: Convert to fraction form
    3,640.24/5,024.28 = 2,224.16/x
  3. Step 3: Cross multiply
    3,640.24x = 5,024.28 × 2,224.16
  4. Step 4: Simplify right side
    3,640.24x = 11,174,802.60
  5. Step 5: Solve for x
    x = 11,174,802.60/3,640.24
  6. Step 6: Final answer
    x = 3,069.80

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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.