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Finding the Fourth Proportional to 3,168.77, 4,752.59 and 3,015.68

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Solution

The fourth proportional to 3,168.77, 4,752.59 and 3,015.68 is: 4,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.77 : 4,752.59 = 3,015.68 : x
  2. Step 2: Convert to fraction form
    3,168.77/4,752.59 = 3,015.68/x
  3. Step 3: Cross multiply
    3,168.77x = 4,752.59 × 3,015.68
  4. Step 4: Simplify right side
    3,168.77x = 14,332,251.77
  5. Step 5: Solve for x
    x = 14,332,251.77/3,168.77
  6. Step 6: Final answer
    x = 4,522.98

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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.