Home / 1,835.43-2,754.80-1,143.45

Finding the Fourth Proportional to 1,835.43, 2,754.80 and 1,143.45

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Solution

The fourth proportional to 1,835.43, 2,754.80 and 1,143.45 is: 1,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.43 : 2,754.80 = 1,143.45 : x
  2. Step 2: Convert to fraction form
    1,835.43/2,754.80 = 1,143.45/x
  3. Step 3: Cross multiply
    1,835.43x = 2,754.80 × 1,143.45
  4. Step 4: Simplify right side
    1,835.43x = 3,149,970.34
  5. Step 5: Solve for x
    x = 3,149,970.34/1,835.43
  6. Step 6: Final answer
    x = 1,716.20

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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.