Home / 1,807.44-2,705.40-1,683.60

Finding the Fourth Proportional to 1,807.44, 2,705.40 and 1,683.60

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Solution

The fourth proportional to 1,807.44, 2,705.40 and 1,683.60 is: 2,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.44 : 2,705.40 = 1,683.60 : x
  2. Step 2: Convert to fraction form
    1,807.44/2,705.40 = 1,683.60/x
  3. Step 3: Cross multiply
    1,807.44x = 2,705.40 × 1,683.60
  4. Step 4: Simplify right side
    1,807.44x = 4,554,811.44
  5. Step 5: Solve for x
    x = 4,554,811.44/1,807.44
  6. Step 6: Final answer
    x = 2,520.03

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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.