Home / 1,611.02-2,224.19-1,237.27

Finding the Fourth Proportional to 1,611.02, 2,224.19 and 1,237.27

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Solution

The fourth proportional to 1,611.02, 2,224.19 and 1,237.27 is: 1,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.02 : 2,224.19 = 1,237.27 : x
  2. Step 2: Convert to fraction form
    1,611.02/2,224.19 = 1,237.27/x
  3. Step 3: Cross multiply
    1,611.02x = 2,224.19 × 1,237.27
  4. Step 4: Simplify right side
    1,611.02x = 2,751,923.56
  5. Step 5: Solve for x
    x = 2,751,923.56/1,611.02
  6. Step 6: Final answer
    x = 1,708.19

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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.