Home / 4,142.32-5,713.87-2,961.34

Finding the Fourth Proportional to 4,142.32, 5,713.87 and 2,961.34

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Solution

The fourth proportional to 4,142.32, 5,713.87 and 2,961.34 is: 4,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.32 : 5,713.87 = 2,961.34 : x
  2. Step 2: Convert to fraction form
    4,142.32/5,713.87 = 2,961.34/x
  3. Step 3: Cross multiply
    4,142.32x = 5,713.87 × 2,961.34
  4. Step 4: Simplify right side
    4,142.32x = 16,920,711.79
  5. Step 5: Solve for x
    x = 16,920,711.79/4,142.32
  6. Step 6: Final answer
    x = 4,084.84

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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.