Home / 3,286.12-4,892.53-3,240.16

Finding the Fourth Proportional to 3,286.12, 4,892.53 and 3,240.16

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Solution

The fourth proportional to 3,286.12, 4,892.53 and 3,240.16 is: 4,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.12 : 4,892.53 = 3,240.16 : x
  2. Step 2: Convert to fraction form
    3,286.12/4,892.53 = 3,240.16/x
  3. Step 3: Cross multiply
    3,286.12x = 4,892.53 × 3,240.16
  4. Step 4: Simplify right side
    3,286.12x = 15,852,580.00
  5. Step 5: Solve for x
    x = 15,852,580.00/3,286.12
  6. Step 6: Final answer
    x = 4,824.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.