Home / 2,922.76-4,383.99-1,362.21

Finding the Fourth Proportional to 2,922.76, 4,383.99 and 1,362.21

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Solution

The fourth proportional to 2,922.76, 4,383.99 and 1,362.21 is: 2,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.76 : 4,383.99 = 1,362.21 : x
  2. Step 2: Convert to fraction form
    2,922.76/4,383.99 = 1,362.21/x
  3. Step 3: Cross multiply
    2,922.76x = 4,383.99 × 1,362.21
  4. Step 4: Simplify right side
    2,922.76x = 5,971,915.02
  5. Step 5: Solve for x
    x = 5,971,915.02/2,922.76
  6. Step 6: Final answer
    x = 2,043.25

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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.