Home / 2,187.94-3,282.54-1,264.16

Finding the Fourth Proportional to 2,187.94, 3,282.54 and 1,264.16

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Solution

The fourth proportional to 2,187.94, 3,282.54 and 1,264.16 is: 1,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.94 : 3,282.54 = 1,264.16 : x
  2. Step 2: Convert to fraction form
    2,187.94/3,282.54 = 1,264.16/x
  3. Step 3: Cross multiply
    2,187.94x = 3,282.54 × 1,264.16
  4. Step 4: Simplify right side
    2,187.94x = 4,149,655.77
  5. Step 5: Solve for x
    x = 4,149,655.77/2,187.94
  6. Step 6: Final answer
    x = 1,896.60

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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.