Home / 2,226.98-3,336.13-1,253.70

Finding the Fourth Proportional to 2,226.98, 3,336.13 and 1,253.70

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Solution

The fourth proportional to 2,226.98, 3,336.13 and 1,253.70 is: 1,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.98 : 3,336.13 = 1,253.70 : x
  2. Step 2: Convert to fraction form
    2,226.98/3,336.13 = 1,253.70/x
  3. Step 3: Cross multiply
    2,226.98x = 3,336.13 × 1,253.70
  4. Step 4: Simplify right side
    2,226.98x = 4,182,506.18
  5. Step 5: Solve for x
    x = 4,182,506.18/2,226.98
  6. Step 6: Final answer
    x = 1,878.11

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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.