Home / 3,337.75-4,604.64-1,921.13

Finding the Fourth Proportional to 3,337.75, 4,604.64 and 1,921.13

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Solution

The fourth proportional to 3,337.75, 4,604.64 and 1,921.13 is: 2,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.75 : 4,604.64 = 1,921.13 : x
  2. Step 2: Convert to fraction form
    3,337.75/4,604.64 = 1,921.13/x
  3. Step 3: Cross multiply
    3,337.75x = 4,604.64 × 1,921.13
  4. Step 4: Simplify right side
    3,337.75x = 8,846,112.04
  5. Step 5: Solve for x
    x = 8,846,112.04/3,337.75
  6. Step 6: Final answer
    x = 2,650.32

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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.