Home / 2,220.05-3,334.91-1,342.97

Finding the Fourth Proportional to 2,220.05, 3,334.91 and 1,342.97

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Solution

The fourth proportional to 2,220.05, 3,334.91 and 1,342.97 is: 2,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.05 : 3,334.91 = 1,342.97 : x
  2. Step 2: Convert to fraction form
    2,220.05/3,334.91 = 1,342.97/x
  3. Step 3: Cross multiply
    2,220.05x = 3,334.91 × 1,342.97
  4. Step 4: Simplify right side
    2,220.05x = 4,478,695.78
  5. Step 5: Solve for x
    x = 4,478,695.78/2,220.05
  6. Step 6: Final answer
    x = 2,017.38

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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.