Home / 3,625.25-4,995.44-3,429.20

Finding the Fourth Proportional to 3,625.25, 4,995.44 and 3,429.20

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Solution

The fourth proportional to 3,625.25, 4,995.44 and 3,429.20 is: 4,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.25 : 4,995.44 = 3,429.20 : x
  2. Step 2: Convert to fraction form
    3,625.25/4,995.44 = 3,429.20/x
  3. Step 3: Cross multiply
    3,625.25x = 4,995.44 × 3,429.20
  4. Step 4: Simplify right side
    3,625.25x = 17,130,345.70
  5. Step 5: Solve for x
    x = 17,130,345.70/3,625.25
  6. Step 6: Final answer
    x = 4,725.29

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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.