Home / 2,891.89-4,332.93-2,065.96

Finding the Fourth Proportional to 2,891.89, 4,332.93 and 2,065.96

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Solution

The fourth proportional to 2,891.89, 4,332.93 and 2,065.96 is: 3,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.89 : 4,332.93 = 2,065.96 : x
  2. Step 2: Convert to fraction form
    2,891.89/4,332.93 = 2,065.96/x
  3. Step 3: Cross multiply
    2,891.89x = 4,332.93 × 2,065.96
  4. Step 4: Simplify right side
    2,891.89x = 8,951,660.06
  5. Step 5: Solve for x
    x = 8,951,660.06/2,891.89
  6. Step 6: Final answer
    x = 3,095.44

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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.