Home / 3,330.24-4,991.22-1,870.44

Finding the Fourth Proportional to 3,330.24, 4,991.22 and 1,870.44

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Solution

The fourth proportional to 3,330.24, 4,991.22 and 1,870.44 is: 2,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.24 : 4,991.22 = 1,870.44 : x
  2. Step 2: Convert to fraction form
    3,330.24/4,991.22 = 1,870.44/x
  3. Step 3: Cross multiply
    3,330.24x = 4,991.22 × 1,870.44
  4. Step 4: Simplify right side
    3,330.24x = 9,335,777.54
  5. Step 5: Solve for x
    x = 9,335,777.54/3,330.24
  6. Step 6: Final answer
    x = 2,803.33

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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.