Home / 3,857.19-5,322.98-2,265.06

Finding the Fourth Proportional to 3,857.19, 5,322.98 and 2,265.06

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Solution

The fourth proportional to 3,857.19, 5,322.98 and 2,265.06 is: 3,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.19 : 5,322.98 = 2,265.06 : x
  2. Step 2: Convert to fraction form
    3,857.19/5,322.98 = 2,265.06/x
  3. Step 3: Cross multiply
    3,857.19x = 5,322.98 × 2,265.06
  4. Step 4: Simplify right side
    3,857.19x = 12,056,894.70
  5. Step 5: Solve for x
    x = 12,056,894.70/3,857.19
  6. Step 6: Final answer
    x = 3,125.83

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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.