Home / 3,103.45-4,282.34-1,844.05

Finding the Fourth Proportional to 3,103.45, 4,282.34 and 1,844.05

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Solution

The fourth proportional to 3,103.45, 4,282.34 and 1,844.05 is: 2,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.45 : 4,282.34 = 1,844.05 : x
  2. Step 2: Convert to fraction form
    3,103.45/4,282.34 = 1,844.05/x
  3. Step 3: Cross multiply
    3,103.45x = 4,282.34 × 1,844.05
  4. Step 4: Simplify right side
    3,103.45x = 7,896,833.76
  5. Step 5: Solve for x
    x = 7,896,833.76/3,103.45
  6. Step 6: Final answer
    x = 2,544.53

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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.