Home / 3,210.12-4,814.84-2,176.76

Finding the Fourth Proportional to 3,210.12, 4,814.84 and 2,176.76

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Solution

The fourth proportional to 3,210.12, 4,814.84 and 2,176.76 is: 3,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.12 : 4,814.84 = 2,176.76 : x
  2. Step 2: Convert to fraction form
    3,210.12/4,814.84 = 2,176.76/x
  3. Step 3: Cross multiply
    3,210.12x = 4,814.84 × 2,176.76
  4. Step 4: Simplify right side
    3,210.12x = 10,480,716.16
  5. Step 5: Solve for x
    x = 10,480,716.16/3,210.12
  6. Step 6: Final answer
    x = 3,264.90

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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.