Home / 1,361.47-2,041.43-1,245.37

Finding the Fourth Proportional to 1,361.47, 2,041.43 and 1,245.37

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Solution

The fourth proportional to 1,361.47, 2,041.43 and 1,245.37 is: 1,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.47 : 2,041.43 = 1,245.37 : x
  2. Step 2: Convert to fraction form
    1,361.47/2,041.43 = 1,245.37/x
  3. Step 3: Cross multiply
    1,361.47x = 2,041.43 × 1,245.37
  4. Step 4: Simplify right side
    1,361.47x = 2,542,335.68
  5. Step 5: Solve for x
    x = 2,542,335.68/1,361.47
  6. Step 6: Final answer
    x = 1,867.35

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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.