Home / 3,210.12-4,804.22-2,690.71

Finding the Fourth Proportional to 3,210.12, 4,804.22 and 2,690.71

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Solution

The fourth proportional to 3,210.12, 4,804.22 and 2,690.71 is: 4,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.12 : 4,804.22 = 2,690.71 : x
  2. Step 2: Convert to fraction form
    3,210.12/4,804.22 = 2,690.71/x
  3. Step 3: Cross multiply
    3,210.12x = 4,804.22 × 2,690.71
  4. Step 4: Simplify right side
    3,210.12x = 12,926,757.51
  5. Step 5: Solve for x
    x = 12,926,757.51/3,210.12
  6. Step 6: Final answer
    x = 4,026.88

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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.