Home / 2,984.72-4,107.11-2,705.27

Finding the Fourth Proportional to 2,984.72, 4,107.11 and 2,705.27

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Solution

The fourth proportional to 2,984.72, 4,107.11 and 2,705.27 is: 3,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.72 : 4,107.11 = 2,705.27 : x
  2. Step 2: Convert to fraction form
    2,984.72/4,107.11 = 2,705.27/x
  3. Step 3: Cross multiply
    2,984.72x = 4,107.11 × 2,705.27
  4. Step 4: Simplify right side
    2,984.72x = 11,110,807.41
  5. Step 5: Solve for x
    x = 11,110,807.41/2,984.72
  6. Step 6: Final answer
    x = 3,722.57

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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.