Home / 2,193.22-3,024.90-1,396.72

Finding the Fourth Proportional to 2,193.22, 3,024.90 and 1,396.72

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Solution

The fourth proportional to 2,193.22, 3,024.90 and 1,396.72 is: 1,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.22 : 3,024.90 = 1,396.72 : x
  2. Step 2: Convert to fraction form
    2,193.22/3,024.90 = 1,396.72/x
  3. Step 3: Cross multiply
    2,193.22x = 3,024.90 × 1,396.72
  4. Step 4: Simplify right side
    2,193.22x = 4,224,938.33
  5. Step 5: Solve for x
    x = 4,224,938.33/2,193.22
  6. Step 6: Final answer
    x = 1,926.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.