Home / 1,612.14-2,226.50-1,298.44

Finding the Fourth Proportional to 1,612.14, 2,226.50 and 1,298.44

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Solution

The fourth proportional to 1,612.14, 2,226.50 and 1,298.44 is: 1,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.14 : 2,226.50 = 1,298.44 : x
  2. Step 2: Convert to fraction form
    1,612.14/2,226.50 = 1,298.44/x
  3. Step 3: Cross multiply
    1,612.14x = 2,226.50 × 1,298.44
  4. Step 4: Simplify right side
    1,612.14x = 2,890,976.66
  5. Step 5: Solve for x
    x = 2,890,976.66/1,612.14
  6. Step 6: Final answer
    x = 1,793.25

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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.