Home / 2,792.83-4,190.23-1,561.28

Finding the Fourth Proportional to 2,792.83, 4,190.23 and 1,561.28

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Solution

The fourth proportional to 2,792.83, 4,190.23 and 1,561.28 is: 2,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.83 : 4,190.23 = 1,561.28 : x
  2. Step 2: Convert to fraction form
    2,792.83/4,190.23 = 1,561.28/x
  3. Step 3: Cross multiply
    2,792.83x = 4,190.23 × 1,561.28
  4. Step 4: Simplify right side
    2,792.83x = 6,542,103.29
  5. Step 5: Solve for x
    x = 6,542,103.29/2,792.83
  6. Step 6: Final answer
    x = 2,342.46

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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.