Home / 3,220.23-4,829.61-1,922.07

Finding the Fourth Proportional to 3,220.23, 4,829.61 and 1,922.07

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Solution

The fourth proportional to 3,220.23, 4,829.61 and 1,922.07 is: 2,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.23 : 4,829.61 = 1,922.07 : x
  2. Step 2: Convert to fraction form
    3,220.23/4,829.61 = 1,922.07/x
  3. Step 3: Cross multiply
    3,220.23x = 4,829.61 × 1,922.07
  4. Step 4: Simplify right side
    3,220.23x = 9,282,848.49
  5. Step 5: Solve for x
    x = 9,282,848.49/3,220.23
  6. Step 6: Final answer
    x = 2,882.67

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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.