Home / 1,943.74-2,682.60-1,157.76

Finding the Fourth Proportional to 1,943.74, 2,682.60 and 1,157.76

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Solution

The fourth proportional to 1,943.74, 2,682.60 and 1,157.76 is: 1,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.74 : 2,682.60 = 1,157.76 : x
  2. Step 2: Convert to fraction form
    1,943.74/2,682.60 = 1,157.76/x
  3. Step 3: Cross multiply
    1,943.74x = 2,682.60 × 1,157.76
  4. Step 4: Simplify right side
    1,943.74x = 3,105,806.98
  5. Step 5: Solve for x
    x = 3,105,806.98/1,943.74
  6. Step 6: Final answer
    x = 1,597.85

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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.