Home / 2,226.63-3,065.71-1,960.89

Finding the Fourth Proportional to 2,226.63, 3,065.71 and 1,960.89

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Solution

The fourth proportional to 2,226.63, 3,065.71 and 1,960.89 is: 2,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.63 : 3,065.71 = 1,960.89 : x
  2. Step 2: Convert to fraction form
    2,226.63/3,065.71 = 1,960.89/x
  3. Step 3: Cross multiply
    2,226.63x = 3,065.71 × 1,960.89
  4. Step 4: Simplify right side
    2,226.63x = 6,011,520.08
  5. Step 5: Solve for x
    x = 6,011,520.08/2,226.63
  6. Step 6: Final answer
    x = 2,699.83

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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.