Home / 1,943.77-2,682.42-1,157.85

Finding the Fourth Proportional to 1,943.77, 2,682.42 and 1,157.85

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Solution

The fourth proportional to 1,943.77, 2,682.42 and 1,157.85 is: 1,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.77 : 2,682.42 = 1,157.85 : x
  2. Step 2: Convert to fraction form
    1,943.77/2,682.42 = 1,157.85/x
  3. Step 3: Cross multiply
    1,943.77x = 2,682.42 × 1,157.85
  4. Step 4: Simplify right side
    1,943.77x = 3,105,840.00
  5. Step 5: Solve for x
    x = 3,105,840.00/1,943.77
  6. Step 6: Final answer
    x = 1,597.84

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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.