Home / 4,072.09-5,619.40-2,674.75

Finding the Fourth Proportional to 4,072.09, 5,619.40 and 2,674.75

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Solution

The fourth proportional to 4,072.09, 5,619.40 and 2,674.75 is: 3,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.09 : 5,619.40 = 2,674.75 : x
  2. Step 2: Convert to fraction form
    4,072.09/5,619.40 = 2,674.75/x
  3. Step 3: Cross multiply
    4,072.09x = 5,619.40 × 2,674.75
  4. Step 4: Simplify right side
    4,072.09x = 15,030,490.15
  5. Step 5: Solve for x
    x = 15,030,490.15/4,072.09
  6. Step 6: Final answer
    x = 3,691.10

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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.