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Finding the Fourth Proportional to 3,751.84, 5,177.44 and 2,073.16

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Solution

The fourth proportional to 3,751.84, 5,177.44 and 2,073.16 is: 2,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.84 : 5,177.44 = 2,073.16 : x
  2. Step 2: Convert to fraction form
    3,751.84/5,177.44 = 2,073.16/x
  3. Step 3: Cross multiply
    3,751.84x = 5,177.44 × 2,073.16
  4. Step 4: Simplify right side
    3,751.84x = 10,733,661.51
  5. Step 5: Solve for x
    x = 10,733,661.51/3,751.84
  6. Step 6: Final answer
    x = 2,860.91

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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.