Home / 1,617.37-2,232.82-1,089.03

Finding the Fourth Proportional to 1,617.37, 2,232.82 and 1,089.03

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Solution

The fourth proportional to 1,617.37, 2,232.82 and 1,089.03 is: 1,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.37 : 2,232.82 = 1,089.03 : x
  2. Step 2: Convert to fraction form
    1,617.37/2,232.82 = 1,089.03/x
  3. Step 3: Cross multiply
    1,617.37x = 2,232.82 × 1,089.03
  4. Step 4: Simplify right side
    1,617.37x = 2,431,607.96
  5. Step 5: Solve for x
    x = 2,431,607.96/1,617.37
  6. Step 6: Final answer
    x = 1,503.43

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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.