Home / 3,318.32-4,980.32-2,088.06

Finding the Fourth Proportional to 3,318.32, 4,980.32 and 2,088.06

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Solution

The fourth proportional to 3,318.32, 4,980.32 and 2,088.06 is: 3,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.32 : 4,980.32 = 2,088.06 : x
  2. Step 2: Convert to fraction form
    3,318.32/4,980.32 = 2,088.06/x
  3. Step 3: Cross multiply
    3,318.32x = 4,980.32 × 2,088.06
  4. Step 4: Simplify right side
    3,318.32x = 10,399,206.98
  5. Step 5: Solve for x
    x = 10,399,206.98/3,318.32
  6. Step 6: Final answer
    x = 3,133.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.