Home / 1,629.41-2,441.64-1,079.62

Finding the Fourth Proportional to 1,629.41, 2,441.64 and 1,079.62

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Solution

The fourth proportional to 1,629.41, 2,441.64 and 1,079.62 is: 1,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.41 : 2,441.64 = 1,079.62 : x
  2. Step 2: Convert to fraction form
    1,629.41/2,441.64 = 1,079.62/x
  3. Step 3: Cross multiply
    1,629.41x = 2,441.64 × 1,079.62
  4. Step 4: Simplify right side
    1,629.41x = 2,636,041.32
  5. Step 5: Solve for x
    x = 2,636,041.32/1,629.41
  6. Step 6: Final answer
    x = 1,617.79

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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.