Home / 3,751.51-5,177.09-2,072.91

Finding the Fourth Proportional to 3,751.51, 5,177.09 and 2,072.91

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Solution

The fourth proportional to 3,751.51, 5,177.09 and 2,072.91 is: 2,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.51 : 5,177.09 = 2,072.91 : x
  2. Step 2: Convert to fraction form
    3,751.51/5,177.09 = 2,072.91/x
  3. Step 3: Cross multiply
    3,751.51x = 5,177.09 × 2,072.91
  4. Step 4: Simplify right side
    3,751.51x = 10,731,646.81
  5. Step 5: Solve for x
    x = 10,731,646.81/3,751.51
  6. Step 6: Final answer
    x = 2,860.62

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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.