Home / 2,511.18-3,468.66-1,928.88

Finding the Fourth Proportional to 2,511.18, 3,468.66 and 1,928.88

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Solution

The fourth proportional to 2,511.18, 3,468.66 and 1,928.88 is: 2,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.18 : 3,468.66 = 1,928.88 : x
  2. Step 2: Convert to fraction form
    2,511.18/3,468.66 = 1,928.88/x
  3. Step 3: Cross multiply
    2,511.18x = 3,468.66 × 1,928.88
  4. Step 4: Simplify right side
    2,511.18x = 6,690,628.90
  5. Step 5: Solve for x
    x = 6,690,628.90/2,511.18
  6. Step 6: Final answer
    x = 2,664.34

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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.