Home / 2,220.34-3,330.24-660.33

Finding the Fourth Proportional to 2,220.34, 3,330.24 and 660.33

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Solution

The fourth proportional to 2,220.34, 3,330.24 and 660.33 is: 990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.34 : 3,330.24 = 660.33 : x
  2. Step 2: Convert to fraction form
    2,220.34/3,330.24 = 660.33/x
  3. Step 3: Cross multiply
    2,220.34x = 3,330.24 × 660.33
  4. Step 4: Simplify right side
    2,220.34x = 2,199,047.39
  5. Step 5: Solve for x
    x = 2,199,047.39/2,220.34
  6. Step 6: Final answer
    x = 990.41

Related Problems

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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.