Home / 3,885.12-5,362.60-2,395.16

Finding the Fourth Proportional to 3,885.12, 5,362.60 and 2,395.16

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Solution

The fourth proportional to 3,885.12, 5,362.60 and 2,395.16 is: 3,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.12 : 5,362.60 = 2,395.16 : x
  2. Step 2: Convert to fraction form
    3,885.12/5,362.60 = 2,395.16/x
  3. Step 3: Cross multiply
    3,885.12x = 5,362.60 × 2,395.16
  4. Step 4: Simplify right side
    3,885.12x = 12,844,285.02
  5. Step 5: Solve for x
    x = 12,844,285.02/3,885.12
  6. Step 6: Final answer
    x = 3,306.02

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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.