Home / 1,544.53-2,131.49-845.95

Finding the Fourth Proportional to 1,544.53, 2,131.49 and 845.95

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Solution

The fourth proportional to 1,544.53, 2,131.49 and 845.95 is: 1,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.53 : 2,131.49 = 845.95 : x
  2. Step 2: Convert to fraction form
    1,544.53/2,131.49 = 845.95/x
  3. Step 3: Cross multiply
    1,544.53x = 2,131.49 × 845.95
  4. Step 4: Simplify right side
    1,544.53x = 1,803,129.74
  5. Step 5: Solve for x
    x = 1,803,129.74/1,544.53
  6. Step 6: Final answer
    x = 1,167.43

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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.