Home / 3,486.25-4,810.89-1,994.37

Finding the Fourth Proportional to 3,486.25, 4,810.89 and 1,994.37

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Solution

The fourth proportional to 3,486.25, 4,810.89 and 1,994.37 is: 2,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.25 : 4,810.89 = 1,994.37 : x
  2. Step 2: Convert to fraction form
    3,486.25/4,810.89 = 1,994.37/x
  3. Step 3: Cross multiply
    3,486.25x = 4,810.89 × 1,994.37
  4. Step 4: Simplify right side
    3,486.25x = 9,594,694.69
  5. Step 5: Solve for x
    x = 9,594,694.69/3,486.25
  6. Step 6: Final answer
    x = 2,752.15

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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.