Home / 1,483.62-2,226.18-1,021.78

Finding the Fourth Proportional to 1,483.62, 2,226.18 and 1,021.78

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Solution

The fourth proportional to 1,483.62, 2,226.18 and 1,021.78 is: 1,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.62 : 2,226.18 = 1,021.78 : x
  2. Step 2: Convert to fraction form
    1,483.62/2,226.18 = 1,021.78/x
  3. Step 3: Cross multiply
    1,483.62x = 2,226.18 × 1,021.78
  4. Step 4: Simplify right side
    1,483.62x = 2,274,666.20
  5. Step 5: Solve for x
    x = 2,274,666.20/1,483.62
  6. Step 6: Final answer
    x = 1,533.19

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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.