Home / 2,220.96-3,330.36-1,049.98

Finding the Fourth Proportional to 2,220.96, 3,330.36 and 1,049.98

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Solution

The fourth proportional to 2,220.96, 3,330.36 and 1,049.98 is: 1,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.96 : 3,330.36 = 1,049.98 : x
  2. Step 2: Convert to fraction form
    2,220.96/3,330.36 = 1,049.98/x
  3. Step 3: Cross multiply
    2,220.96x = 3,330.36 × 1,049.98
  4. Step 4: Simplify right side
    2,220.96x = 3,496,811.39
  5. Step 5: Solve for x
    x = 3,496,811.39/2,220.96
  6. Step 6: Final answer
    x = 1,574.46

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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.