Home / 1,633.41-2,255.22-1,259.76

Finding the Fourth Proportional to 1,633.41, 2,255.22 and 1,259.76

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Solution

The fourth proportional to 1,633.41, 2,255.22 and 1,259.76 is: 1,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.41 : 2,255.22 = 1,259.76 : x
  2. Step 2: Convert to fraction form
    1,633.41/2,255.22 = 1,259.76/x
  3. Step 3: Cross multiply
    1,633.41x = 2,255.22 × 1,259.76
  4. Step 4: Simplify right side
    1,633.41x = 2,841,035.95
  5. Step 5: Solve for x
    x = 2,841,035.95/1,633.41
  6. Step 6: Final answer
    x = 1,739.33

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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.