Home / 1,352.21-2,028.51-1,177.62

Finding the Fourth Proportional to 1,352.21, 2,028.51 and 1,177.62

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Solution

The fourth proportional to 1,352.21, 2,028.51 and 1,177.62 is: 1,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.21 : 2,028.51 = 1,177.62 : x
  2. Step 2: Convert to fraction form
    1,352.21/2,028.51 = 1,177.62/x
  3. Step 3: Cross multiply
    1,352.21x = 2,028.51 × 1,177.62
  4. Step 4: Simplify right side
    1,352.21x = 2,388,806.34
  5. Step 5: Solve for x
    x = 2,388,806.34/1,352.21
  6. Step 6: Final answer
    x = 1,766.60

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1.5x scale

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.