Home / 1,943.54-2,682.15-1,157.48

Finding the Fourth Proportional to 1,943.54, 2,682.15 and 1,157.48

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Solution

The fourth proportional to 1,943.54, 2,682.15 and 1,157.48 is: 1,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.54 : 2,682.15 = 1,157.48 : x
  2. Step 2: Convert to fraction form
    1,943.54/2,682.15 = 1,157.48/x
  3. Step 3: Cross multiply
    1,943.54x = 2,682.15 × 1,157.48
  4. Step 4: Simplify right side
    1,943.54x = 3,104,534.98
  5. Step 5: Solve for x
    x = 3,104,534.98/1,943.54
  6. Step 6: Final answer
    x = 1,597.36

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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.