Home / 3,426.03-5,135.00-1,575.45

Finding the Fourth Proportional to 3,426.03, 5,135.00 and 1,575.45

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Solution

The fourth proportional to 3,426.03, 5,135.00 and 1,575.45 is: 2,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.03 : 5,135.00 = 1,575.45 : x
  2. Step 2: Convert to fraction form
    3,426.03/5,135.00 = 1,575.45/x
  3. Step 3: Cross multiply
    3,426.03x = 5,135.00 × 1,575.45
  4. Step 4: Simplify right side
    3,426.03x = 8,089,927.87
  5. Step 5: Solve for x
    x = 8,089,927.87/3,426.03
  6. Step 6: Final answer
    x = 2,361.31

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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.