Home / 3,647.09-5,034.61-2,837.71

Finding the Fourth Proportional to 3,647.09, 5,034.61 and 2,837.71

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Solution

The fourth proportional to 3,647.09, 5,034.61 and 2,837.71 is: 3,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.09 : 5,034.61 = 2,837.71 : x
  2. Step 2: Convert to fraction form
    3,647.09/5,034.61 = 2,837.71/x
  3. Step 3: Cross multiply
    3,647.09x = 5,034.61 × 2,837.71
  4. Step 4: Simplify right side
    3,647.09x = 14,286,763.14
  5. Step 5: Solve for x
    x = 14,286,763.14/3,647.09
  6. Step 6: Final answer
    x = 3,917.30

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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.