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Finding the Fourth Proportional to 3,151.76, 4,728.04 and 2,933.06

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Solution

The fourth proportional to 3,151.76, 4,728.04 and 2,933.06 is: 4,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.76 : 4,728.04 = 2,933.06 : x
  2. Step 2: Convert to fraction form
    3,151.76/4,728.04 = 2,933.06/x
  3. Step 3: Cross multiply
    3,151.76x = 4,728.04 × 2,933.06
  4. Step 4: Simplify right side
    3,151.76x = 13,867,625.00
  5. Step 5: Solve for x
    x = 13,867,625.00/3,151.76
  6. Step 6: Final answer
    x = 4,399.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.