Home / 1,591.52-2,196.44-928.44

Finding the Fourth Proportional to 1,591.52, 2,196.44 and 928.44

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Solution

The fourth proportional to 1,591.52, 2,196.44 and 928.44 is: 1,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.52 : 2,196.44 = 928.44 : x
  2. Step 2: Convert to fraction form
    1,591.52/2,196.44 = 928.44/x
  3. Step 3: Cross multiply
    1,591.52x = 2,196.44 × 928.44
  4. Step 4: Simplify right side
    1,591.52x = 2,039,262.75
  5. Step 5: Solve for x
    x = 2,039,262.75/1,591.52
  6. Step 6: Final answer
    x = 1,281.33

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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.