Home / 1,629.56-2,440.96-1,079.98

Finding the Fourth Proportional to 1,629.56, 2,440.96 and 1,079.98

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Solution

The fourth proportional to 1,629.56, 2,440.96 and 1,079.98 is: 1,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.56 : 2,440.96 = 1,079.98 : x
  2. Step 2: Convert to fraction form
    1,629.56/2,440.96 = 1,079.98/x
  3. Step 3: Cross multiply
    1,629.56x = 2,440.96 × 1,079.98
  4. Step 4: Simplify right side
    1,629.56x = 2,636,187.98
  5. Step 5: Solve for x
    x = 2,636,187.98/1,629.56
  6. Step 6: Final answer
    x = 1,617.73

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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.