Home / 3,661.39-5,047.27-2,874.07

Finding the Fourth Proportional to 3,661.39, 5,047.27 and 2,874.07

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Solution

The fourth proportional to 3,661.39, 5,047.27 and 2,874.07 is: 3,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.39 : 5,047.27 = 2,874.07 : x
  2. Step 2: Convert to fraction form
    3,661.39/5,047.27 = 2,874.07/x
  3. Step 3: Cross multiply
    3,661.39x = 5,047.27 × 2,874.07
  4. Step 4: Simplify right side
    3,661.39x = 14,506,207.29
  5. Step 5: Solve for x
    x = 14,506,207.29/3,661.39
  6. Step 6: Final answer
    x = 3,961.94

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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.