Home / 3,515.85-4,851.87-1,944.03

Finding the Fourth Proportional to 3,515.85, 4,851.87 and 1,944.03

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Solution

The fourth proportional to 3,515.85, 4,851.87 and 1,944.03 is: 2,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.85 : 4,851.87 = 1,944.03 : x
  2. Step 2: Convert to fraction form
    3,515.85/4,851.87 = 1,944.03/x
  3. Step 3: Cross multiply
    3,515.85x = 4,851.87 × 1,944.03
  4. Step 4: Simplify right side
    3,515.85x = 9,432,180.84
  5. Step 5: Solve for x
    x = 9,432,180.84/3,515.85
  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.