Home / 3,385.44-4,669.20-2,141.28

Finding the Fourth Proportional to 3,385.44, 4,669.20 and 2,141.28

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Solution

The fourth proportional to 3,385.44, 4,669.20 and 2,141.28 is: 2,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.44 : 4,669.20 = 2,141.28 : x
  2. Step 2: Convert to fraction form
    3,385.44/4,669.20 = 2,141.28/x
  3. Step 3: Cross multiply
    3,385.44x = 4,669.20 × 2,141.28
  4. Step 4: Simplify right side
    3,385.44x = 9,998,064.58
  5. Step 5: Solve for x
    x = 9,998,064.58/3,385.44
  6. Step 6: Final answer
    x = 2,953.25

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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.