Home / 3,769.57-5,203.79-2,512.72

Finding the Fourth Proportional to 3,769.57, 5,203.79 and 2,512.72

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Solution

The fourth proportional to 3,769.57, 5,203.79 and 2,512.72 is: 3,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.57 : 5,203.79 = 2,512.72 : x
  2. Step 2: Convert to fraction form
    3,769.57/5,203.79 = 2,512.72/x
  3. Step 3: Cross multiply
    3,769.57x = 5,203.79 × 2,512.72
  4. Step 4: Simplify right side
    3,769.57x = 13,075,660.48
  5. Step 5: Solve for x
    x = 13,075,660.48/3,769.57
  6. Step 6: Final answer
    x = 3,468.74

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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.