Home / 2,182.15-3,276.87-1,210.15

Finding the Fourth Proportional to 2,182.15, 3,276.87 and 1,210.15

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Solution

The fourth proportional to 2,182.15, 3,276.87 and 1,210.15 is: 1,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.15 : 3,276.87 = 1,210.15 : x
  2. Step 2: Convert to fraction form
    2,182.15/3,276.87 = 1,210.15/x
  3. Step 3: Cross multiply
    2,182.15x = 3,276.87 × 1,210.15
  4. Step 4: Simplify right side
    2,182.15x = 3,965,504.23
  5. Step 5: Solve for x
    x = 3,965,504.23/2,182.15
  6. Step 6: Final answer
    x = 1,817.25

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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.