Home / 2,952.38-4,070.06-2,112.86

Finding the Fourth Proportional to 2,952.38, 4,070.06 and 2,112.86

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Solution

The fourth proportional to 2,952.38, 4,070.06 and 2,112.86 is: 2,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.38 : 4,070.06 = 2,112.86 : x
  2. Step 2: Convert to fraction form
    2,952.38/4,070.06 = 2,112.86/x
  3. Step 3: Cross multiply
    2,952.38x = 4,070.06 × 2,112.86
  4. Step 4: Simplify right side
    2,952.38x = 8,599,466.97
  5. Step 5: Solve for x
    x = 8,599,466.97/2,952.38
  6. Step 6: Final answer
    x = 2,912.72

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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.