Home / 1,591.28-2,194.06-1,369.84

Finding the Fourth Proportional to 1,591.28, 2,194.06 and 1,369.84

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Solution

The fourth proportional to 1,591.28, 2,194.06 and 1,369.84 is: 1,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.28 : 2,194.06 = 1,369.84 : x
  2. Step 2: Convert to fraction form
    1,591.28/2,194.06 = 1,369.84/x
  3. Step 3: Cross multiply
    1,591.28x = 2,194.06 × 1,369.84
  4. Step 4: Simplify right side
    1,591.28x = 3,005,511.15
  5. Step 5: Solve for x
    x = 3,005,511.15/1,591.28
  6. Step 6: Final answer
    x = 1,888.74

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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.