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Finding the Fourth Proportional to 3,999.77, 5,518.58 and 2,583.52

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Solution

The fourth proportional to 3,999.77, 5,518.58 and 2,583.52 is: 3,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.77 : 5,518.58 = 2,583.52 : x
  2. Step 2: Convert to fraction form
    3,999.77/5,518.58 = 2,583.52/x
  3. Step 3: Cross multiply
    3,999.77x = 5,518.58 × 2,583.52
  4. Step 4: Simplify right side
    3,999.77x = 14,257,361.80
  5. Step 5: Solve for x
    x = 14,257,361.80/3,999.77
  6. Step 6: Final answer
    x = 3,564.55

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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.