Home / 1,845.81-2,766.13-1,296.87

Finding the Fourth Proportional to 1,845.81, 2,766.13 and 1,296.87

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Solution

The fourth proportional to 1,845.81, 2,766.13 and 1,296.87 is: 1,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.81 : 2,766.13 = 1,296.87 : x
  2. Step 2: Convert to fraction form
    1,845.81/2,766.13 = 1,296.87/x
  3. Step 3: Cross multiply
    1,845.81x = 2,766.13 × 1,296.87
  4. Step 4: Simplify right side
    1,845.81x = 3,587,311.01
  5. Step 5: Solve for x
    x = 3,587,311.01/1,845.81
  6. Step 6: Final answer
    x = 1,943.49

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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.