Home / 2,226.18-3,336.99-1,127.21

Finding the Fourth Proportional to 2,226.18, 3,336.99 and 1,127.21

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Solution

The fourth proportional to 2,226.18, 3,336.99 and 1,127.21 is: 1,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.18 : 3,336.99 = 1,127.21 : x
  2. Step 2: Convert to fraction form
    2,226.18/3,336.99 = 1,127.21/x
  3. Step 3: Cross multiply
    2,226.18x = 3,336.99 × 1,127.21
  4. Step 4: Simplify right side
    2,226.18x = 3,761,488.50
  5. Step 5: Solve for x
    x = 3,761,488.50/2,226.18
  6. Step 6: Final answer
    x = 1,689.66

Related Problems

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Half scale
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Double scale
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1.5x scale

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.