Home / 1,617.37-2,427.07-739.74

Finding the Fourth Proportional to 1,617.37, 2,427.07 and 739.74

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Solution

The fourth proportional to 1,617.37, 2,427.07 and 739.74 is: 1,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.37 : 2,427.07 = 739.74 : x
  2. Step 2: Convert to fraction form
    1,617.37/2,427.07 = 739.74/x
  3. Step 3: Cross multiply
    1,617.37x = 2,427.07 × 739.74
  4. Step 4: Simplify right side
    1,617.37x = 1,795,400.76
  5. Step 5: Solve for x
    x = 1,795,400.76/1,617.37
  6. Step 6: Final answer
    x = 1,110.07

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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.