Home / 4,103.80-5,655.06-2,921.56

Finding the Fourth Proportional to 4,103.80, 5,655.06 and 2,921.56

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Solution

The fourth proportional to 4,103.80, 5,655.06 and 2,921.56 is: 4,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.80 : 5,655.06 = 2,921.56 : x
  2. Step 2: Convert to fraction form
    4,103.80/5,655.06 = 2,921.56/x
  3. Step 3: Cross multiply
    4,103.80x = 5,655.06 × 2,921.56
  4. Step 4: Simplify right side
    4,103.80x = 16,521,597.09
  5. Step 5: Solve for x
    x = 16,521,597.09/4,103.80
  6. Step 6: Final answer
    x = 4,025.93

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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.