Home / 3,475.20-4,795.25-1,983.23

Finding the Fourth Proportional to 3,475.20, 4,795.25 and 1,983.23

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Solution

The fourth proportional to 3,475.20, 4,795.25 and 1,983.23 is: 2,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.20 : 4,795.25 = 1,983.23 : x
  2. Step 2: Convert to fraction form
    3,475.20/4,795.25 = 1,983.23/x
  3. Step 3: Cross multiply
    3,475.20x = 4,795.25 × 1,983.23
  4. Step 4: Simplify right side
    3,475.20x = 9,510,049.77
  5. Step 5: Solve for x
    x = 9,510,049.77/3,475.20
  6. Step 6: Final answer
    x = 2,736.55

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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.