Home / 1,783.41-2,672.08-1,393.26

Finding the Fourth Proportional to 1,783.41, 2,672.08 and 1,393.26

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Solution

The fourth proportional to 1,783.41, 2,672.08 and 1,393.26 is: 2,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.41 : 2,672.08 = 1,393.26 : x
  2. Step 2: Convert to fraction form
    1,783.41/2,672.08 = 1,393.26/x
  3. Step 3: Cross multiply
    1,783.41x = 2,672.08 × 1,393.26
  4. Step 4: Simplify right side
    1,783.41x = 3,722,902.18
  5. Step 5: Solve for x
    x = 3,722,902.18/1,783.41
  6. Step 6: Final answer
    x = 2,087.52

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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.