Home / 1,352.02-2,028.14-378.11

Finding the Fourth Proportional to 1,352.02, 2,028.14 and 378.11

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Solution

The fourth proportional to 1,352.02, 2,028.14 and 378.11 is: 567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.02 : 2,028.14 = 378.11 : x
  2. Step 2: Convert to fraction form
    1,352.02/2,028.14 = 378.11/x
  3. Step 3: Cross multiply
    1,352.02x = 2,028.14 × 378.11
  4. Step 4: Simplify right side
    1,352.02x = 766,860.02
  5. Step 5: Solve for x
    x = 766,860.02/1,352.02
  6. Step 6: Final answer
    x = 567.20

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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.