Home / 3,022.64-4,535.96-1,869.20

Finding the Fourth Proportional to 3,022.64, 4,535.96 and 1,869.20

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Solution

The fourth proportional to 3,022.64, 4,535.96 and 1,869.20 is: 2,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.64 : 4,535.96 = 1,869.20 : x
  2. Step 2: Convert to fraction form
    3,022.64/4,535.96 = 1,869.20/x
  3. Step 3: Cross multiply
    3,022.64x = 4,535.96 × 1,869.20
  4. Step 4: Simplify right side
    3,022.64x = 8,478,616.43
  5. Step 5: Solve for x
    x = 8,478,616.43/3,022.64
  6. Step 6: Final answer
    x = 2,805.04

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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.