Home / 2,220.76-3,329.34-1,672.12

Finding the Fourth Proportional to 2,220.76, 3,329.34 and 1,672.12

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Solution

The fourth proportional to 2,220.76, 3,329.34 and 1,672.12 is: 2,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.76 : 3,329.34 = 1,672.12 : x
  2. Step 2: Convert to fraction form
    2,220.76/3,329.34 = 1,672.12/x
  3. Step 3: Cross multiply
    2,220.76x = 3,329.34 × 1,672.12
  4. Step 4: Simplify right side
    2,220.76x = 5,567,056.00
  5. Step 5: Solve for x
    x = 5,567,056.00/2,220.76
  6. Step 6: Final answer
    x = 2,506.82

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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.