Home / 3,751.06-5,176.40-2,072.47

Finding the Fourth Proportional to 3,751.06, 5,176.40 and 2,072.47

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Solution

The fourth proportional to 3,751.06, 5,176.40 and 2,072.47 is: 2,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.06 : 5,176.40 = 2,072.47 : x
  2. Step 2: Convert to fraction form
    3,751.06/5,176.40 = 2,072.47/x
  3. Step 3: Cross multiply
    3,751.06x = 5,176.40 × 2,072.47
  4. Step 4: Simplify right side
    3,751.06x = 10,727,933.71
  5. Step 5: Solve for x
    x = 10,727,933.71/3,751.06
  6. Step 6: Final answer
    x = 2,859.97

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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.