Home / 2,961.08-4,084.98-2,076.56

Finding the Fourth Proportional to 2,961.08, 4,084.98 and 2,076.56

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Solution

The fourth proportional to 2,961.08, 4,084.98 and 2,076.56 is: 2,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.08 : 4,084.98 = 2,076.56 : x
  2. Step 2: Convert to fraction form
    2,961.08/4,084.98 = 2,076.56/x
  3. Step 3: Cross multiply
    2,961.08x = 4,084.98 × 2,076.56
  4. Step 4: Simplify right side
    2,961.08x = 8,482,706.07
  5. Step 5: Solve for x
    x = 8,482,706.07/2,961.08
  6. Step 6: Final answer
    x = 2,864.73

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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.