Home / 3,516.72-4,852.88-1,944.78

Finding the Fourth Proportional to 3,516.72, 4,852.88 and 1,944.78

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Solution

The fourth proportional to 3,516.72, 4,852.88 and 1,944.78 is: 2,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.72 : 4,852.88 = 1,944.78 : x
  2. Step 2: Convert to fraction form
    3,516.72/4,852.88 = 1,944.78/x
  3. Step 3: Cross multiply
    3,516.72x = 4,852.88 × 1,944.78
  4. Step 4: Simplify right side
    3,516.72x = 9,437,783.97
  5. Step 5: Solve for x
    x = 9,437,783.97/3,516.72
  6. Step 6: Final answer
    x = 2,683.69

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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.