Home / 2,220.06-3,330.90-1,050.42

Finding the Fourth Proportional to 2,220.06, 3,330.90 and 1,050.42

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Solution

The fourth proportional to 2,220.06, 3,330.90 and 1,050.42 is: 1,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.06 : 3,330.90 = 1,050.42 : x
  2. Step 2: Convert to fraction form
    2,220.06/3,330.90 = 1,050.42/x
  3. Step 3: Cross multiply
    2,220.06x = 3,330.90 × 1,050.42
  4. Step 4: Simplify right side
    2,220.06x = 3,498,843.98
  5. Step 5: Solve for x
    x = 3,498,843.98/2,220.06
  6. Step 6: Final answer
    x = 1,576.01

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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.