Home / 2,021.28-3,030.84-1,094.64

Finding the Fourth Proportional to 2,021.28, 3,030.84 and 1,094.64

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Solution

The fourth proportional to 2,021.28, 3,030.84 and 1,094.64 is: 1,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.28 : 3,030.84 = 1,094.64 : x
  2. Step 2: Convert to fraction form
    2,021.28/3,030.84 = 1,094.64/x
  3. Step 3: Cross multiply
    2,021.28x = 3,030.84 × 1,094.64
  4. Step 4: Simplify right side
    2,021.28x = 3,317,678.70
  5. Step 5: Solve for x
    x = 3,317,678.70/2,021.28
  6. Step 6: Final answer
    x = 1,641.38

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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.