Home / 3,414.40-5,124.80-1,772.08

Finding the Fourth Proportional to 3,414.40, 5,124.80 and 1,772.08

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Solution

The fourth proportional to 3,414.40, 5,124.80 and 1,772.08 is: 2,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.40 : 5,124.80 = 1,772.08 : x
  2. Step 2: Convert to fraction form
    3,414.40/5,124.80 = 1,772.08/x
  3. Step 3: Cross multiply
    3,414.40x = 5,124.80 × 1,772.08
  4. Step 4: Simplify right side
    3,414.40x = 9,081,555.58
  5. Step 5: Solve for x
    x = 9,081,555.58/3,414.40
  6. Step 6: Final answer
    x = 2,659.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.