Home / 3,385.24-4,671.42-2,126.25

Finding the Fourth Proportional to 3,385.24, 4,671.42 and 2,126.25

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Solution

The fourth proportional to 3,385.24, 4,671.42 and 2,126.25 is: 2,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.24 : 4,671.42 = 2,126.25 : x
  2. Step 2: Convert to fraction form
    3,385.24/4,671.42 = 2,126.25/x
  3. Step 3: Cross multiply
    3,385.24x = 4,671.42 × 2,126.25
  4. Step 4: Simplify right side
    3,385.24x = 9,932,610.76
  5. Step 5: Solve for x
    x = 9,932,610.76/3,385.24
  6. Step 6: Final answer
    x = 2,934.09

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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.