Home / 2,382.50-3,276.90-2,087.26

Finding the Fourth Proportional to 2,382.50, 3,276.90 and 2,087.26

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Solution

The fourth proportional to 2,382.50, 3,276.90 and 2,087.26 is: 2,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.50 : 3,276.90 = 2,087.26 : x
  2. Step 2: Convert to fraction form
    2,382.50/3,276.90 = 2,087.26/x
  3. Step 3: Cross multiply
    2,382.50x = 3,276.90 × 2,087.26
  4. Step 4: Simplify right side
    2,382.50x = 6,839,742.29
  5. Step 5: Solve for x
    x = 6,839,742.29/2,382.50
  6. Step 6: Final answer
    x = 2,870.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.