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Finding the Fourth Proportional to 3,168.66, 4,752.99 and 1,705.80

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Solution

The fourth proportional to 3,168.66, 4,752.99 and 1,705.80 is: 2,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.66 : 4,752.99 = 1,705.80 : x
  2. Step 2: Convert to fraction form
    3,168.66/4,752.99 = 1,705.80/x
  3. Step 3: Cross multiply
    3,168.66x = 4,752.99 × 1,705.80
  4. Step 4: Simplify right side
    3,168.66x = 8,107,650.34
  5. Step 5: Solve for x
    x = 8,107,650.34/3,168.66
  6. Step 6: Final answer
    x = 2,558.70

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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.