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Finding the Fourth Proportional to 3,008.58, 4,153.77 and 1,946.87

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Solution

The fourth proportional to 3,008.58, 4,153.77 and 1,946.87 is: 2,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.58 : 4,153.77 = 1,946.87 : x
  2. Step 2: Convert to fraction form
    3,008.58/4,153.77 = 1,946.87/x
  3. Step 3: Cross multiply
    3,008.58x = 4,153.77 × 1,946.87
  4. Step 4: Simplify right side
    3,008.58x = 8,086,845.01
  5. Step 5: Solve for x
    x = 8,086,845.01/3,008.58
  6. Step 6: Final answer
    x = 2,687.93

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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.