Home / 1,829.43-2,740.46-1,211.58

Finding the Fourth Proportional to 1,829.43, 2,740.46 and 1,211.58

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Solution

The fourth proportional to 1,829.43, 2,740.46 and 1,211.58 is: 1,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.43 : 2,740.46 = 1,211.58 : x
  2. Step 2: Convert to fraction form
    1,829.43/2,740.46 = 1,211.58/x
  3. Step 3: Cross multiply
    1,829.43x = 2,740.46 × 1,211.58
  4. Step 4: Simplify right side
    1,829.43x = 3,320,280.47
  5. Step 5: Solve for x
    x = 3,320,280.47/1,829.43
  6. Step 6: Final answer
    x = 1,814.93

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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.