Home / 2,284.40-3,428.53-1,765.80

Finding the Fourth Proportional to 2,284.40, 3,428.53 and 1,765.80

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Solution

The fourth proportional to 2,284.40, 3,428.53 and 1,765.80 is: 2,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.40 : 3,428.53 = 1,765.80 : x
  2. Step 2: Convert to fraction form
    2,284.40/3,428.53 = 1,765.80/x
  3. Step 3: Cross multiply
    2,284.40x = 3,428.53 × 1,765.80
  4. Step 4: Simplify right side
    2,284.40x = 6,054,093.86
  5. Step 5: Solve for x
    x = 6,054,093.86/2,284.40
  6. Step 6: Final answer
    x = 2,650.19

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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.