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Finding the Fourth Proportional to 3,515.88, 4,851.94 and 1,944.02

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Solution

The fourth proportional to 3,515.88, 4,851.94 and 1,944.02 is: 2,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.88 : 4,851.94 = 1,944.02 : x
  2. Step 2: Convert to fraction form
    3,515.88/4,851.94 = 1,944.02/x
  3. Step 3: Cross multiply
    3,515.88x = 4,851.94 × 1,944.02
  4. Step 4: Simplify right side
    3,515.88x = 9,432,268.40
  5. Step 5: Solve for x
    x = 9,432,268.40/3,515.88
  6. Step 6: Final answer
    x = 2,682.76

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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.