Home / 3,179.95-4,388.45-1,853.44

Finding the Fourth Proportional to 3,179.95, 4,388.45 and 1,853.44

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Solution

The fourth proportional to 3,179.95, 4,388.45 and 1,853.44 is: 2,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.95 : 4,388.45 = 1,853.44 : x
  2. Step 2: Convert to fraction form
    3,179.95/4,388.45 = 1,853.44/x
  3. Step 3: Cross multiply
    3,179.95x = 4,388.45 × 1,853.44
  4. Step 4: Simplify right side
    3,179.95x = 8,133,719.50
  5. Step 5: Solve for x
    x = 8,133,719.50/3,179.95
  6. Step 6: Final answer
    x = 2,557.81

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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.