Home / 3,886.13-5,363.89-2,395.29

Finding the Fourth Proportional to 3,886.13, 5,363.89 and 2,395.29

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Solution

The fourth proportional to 3,886.13, 5,363.89 and 2,395.29 is: 3,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.13 : 5,363.89 = 2,395.29 : x
  2. Step 2: Convert to fraction form
    3,886.13/5,363.89 = 2,395.29/x
  3. Step 3: Cross multiply
    3,886.13x = 5,363.89 × 2,395.29
  4. Step 4: Simplify right side
    3,886.13x = 12,848,072.08
  5. Step 5: Solve for x
    x = 12,848,072.08/3,886.13
  6. Step 6: Final answer
    x = 3,306.14

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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.