Home / 1,352.15-2,028.00-378.03

Finding the Fourth Proportional to 1,352.15, 2,028.00 and 378.03

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Solution

The fourth proportional to 1,352.15, 2,028.00 and 378.03 is: 566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.15 : 2,028.00 = 378.03 : x
  2. Step 2: Convert to fraction form
    1,352.15/2,028.00 = 378.03/x
  3. Step 3: Cross multiply
    1,352.15x = 2,028.00 × 378.03
  4. Step 4: Simplify right side
    1,352.15x = 766,632.81
  5. Step 5: Solve for x
    x = 766,632.81/1,352.15
  6. Step 6: Final answer
    x = 566.97

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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.