Home / 1,834.44-2,531.02-1,237.78

Finding the Fourth Proportional to 1,834.44, 2,531.02 and 1,237.78

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Solution

The fourth proportional to 1,834.44, 2,531.02 and 1,237.78 is: 1,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.44 : 2,531.02 = 1,237.78 : x
  2. Step 2: Convert to fraction form
    1,834.44/2,531.02 = 1,237.78/x
  3. Step 3: Cross multiply
    1,834.44x = 2,531.02 × 1,237.78
  4. Step 4: Simplify right side
    1,834.44x = 3,132,845.94
  5. Step 5: Solve for x
    x = 3,132,845.94/1,834.44
  6. Step 6: Final answer
    x = 1,707.79

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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.