Home / 3,150.58-4,721.55-1,994.26

Finding the Fourth Proportional to 3,150.58, 4,721.55 and 1,994.26

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Solution

The fourth proportional to 3,150.58, 4,721.55 and 1,994.26 is: 2,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.58 : 4,721.55 = 1,994.26 : x
  2. Step 2: Convert to fraction form
    3,150.58/4,721.55 = 1,994.26/x
  3. Step 3: Cross multiply
    3,150.58x = 4,721.55 × 1,994.26
  4. Step 4: Simplify right side
    3,150.58x = 9,415,998.30
  5. Step 5: Solve for x
    x = 9,415,998.30/3,150.58
  6. Step 6: Final answer
    x = 2,988.66

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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.