Home / 2,220.54-3,335.39-2,146.76

Finding the Fourth Proportional to 2,220.54, 3,335.39 and 2,146.76

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Solution

The fourth proportional to 2,220.54, 3,335.39 and 2,146.76 is: 3,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.54 : 3,335.39 = 2,146.76 : x
  2. Step 2: Convert to fraction form
    2,220.54/3,335.39 = 2,146.76/x
  3. Step 3: Cross multiply
    2,220.54x = 3,335.39 × 2,146.76
  4. Step 4: Simplify right side
    2,220.54x = 7,160,281.84
  5. Step 5: Solve for x
    x = 7,160,281.84/2,220.54
  6. Step 6: Final answer
    x = 3,224.57

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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.