Home / 1,824.60-2,736.90-1,683.80

Finding the Fourth Proportional to 1,824.60, 2,736.90 and 1,683.80

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Solution

The fourth proportional to 1,824.60, 2,736.90 and 1,683.80 is: 2,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.60 : 2,736.90 = 1,683.80 : x
  2. Step 2: Convert to fraction form
    1,824.60/2,736.90 = 1,683.80/x
  3. Step 3: Cross multiply
    1,824.60x = 2,736.90 × 1,683.80
  4. Step 4: Simplify right side
    1,824.60x = 4,608,392.22
  5. Step 5: Solve for x
    x = 4,608,392.22/1,824.60
  6. Step 6: Final answer
    x = 2,525.70

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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.