Home / 1,629.47-2,246.82-1,157.51

Finding the Fourth Proportional to 1,629.47, 2,246.82 and 1,157.51

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Solution

The fourth proportional to 1,629.47, 2,246.82 and 1,157.51 is: 1,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.47 : 2,246.82 = 1,157.51 : x
  2. Step 2: Convert to fraction form
    1,629.47/2,246.82 = 1,157.51/x
  3. Step 3: Cross multiply
    1,629.47x = 2,246.82 × 1,157.51
  4. Step 4: Simplify right side
    1,629.47x = 2,600,716.62
  5. Step 5: Solve for x
    x = 2,600,716.62/1,629.47
  6. Step 6: Final answer
    x = 1,596.05

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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.