Home / 3,103.32-4,282.20-1,844.40

Finding the Fourth Proportional to 3,103.32, 4,282.20 and 1,844.40

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Solution

The fourth proportional to 3,103.32, 4,282.20 and 1,844.40 is: 2,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.32 : 4,282.20 = 1,844.40 : x
  2. Step 2: Convert to fraction form
    3,103.32/4,282.20 = 1,844.40/x
  3. Step 3: Cross multiply
    3,103.32x = 4,282.20 × 1,844.40
  4. Step 4: Simplify right side
    3,103.32x = 7,898,089.68
  5. Step 5: Solve for x
    x = 7,898,089.68/3,103.32
  6. Step 6: Final answer
    x = 2,545.05

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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.