Home / 3,640.75-5,024.46-2,047.55

Finding the Fourth Proportional to 3,640.75, 5,024.46 and 2,047.55

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Solution

The fourth proportional to 3,640.75, 5,024.46 and 2,047.55 is: 2,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.75 : 5,024.46 = 2,047.55 : x
  2. Step 2: Convert to fraction form
    3,640.75/5,024.46 = 2,047.55/x
  3. Step 3: Cross multiply
    3,640.75x = 5,024.46 × 2,047.55
  4. Step 4: Simplify right side
    3,640.75x = 10,287,815.63
  5. Step 5: Solve for x
    x = 10,287,815.63/3,640.75
  6. Step 6: Final answer
    x = 2,825.74

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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.