Home / 3,420.29-4,719.41-2,022.53

Finding the Fourth Proportional to 3,420.29, 4,719.41 and 2,022.53

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Solution

The fourth proportional to 3,420.29, 4,719.41 and 2,022.53 is: 2,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.29 : 4,719.41 = 2,022.53 : x
  2. Step 2: Convert to fraction form
    3,420.29/4,719.41 = 2,022.53/x
  3. Step 3: Cross multiply
    3,420.29x = 4,719.41 × 2,022.53
  4. Step 4: Simplify right side
    3,420.29x = 9,545,138.19
  5. Step 5: Solve for x
    x = 9,545,138.19/3,420.29
  6. Step 6: Final answer
    x = 2,790.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.