Home / 3,734.76-5,155.74-2,162.28

Finding the Fourth Proportional to 3,734.76, 5,155.74 and 2,162.28

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Solution

The fourth proportional to 3,734.76, 5,155.74 and 2,162.28 is: 2,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.76 : 5,155.74 = 2,162.28 : x
  2. Step 2: Convert to fraction form
    3,734.76/5,155.74 = 2,162.28/x
  3. Step 3: Cross multiply
    3,734.76x = 5,155.74 × 2,162.28
  4. Step 4: Simplify right side
    3,734.76x = 11,148,153.49
  5. Step 5: Solve for x
    x = 11,148,153.49/3,734.76
  6. Step 6: Final answer
    x = 2,984.97

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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.