Home / 2,428.22-3,644.49-1,130.42

Finding the Fourth Proportional to 2,428.22, 3,644.49 and 1,130.42

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Solution

The fourth proportional to 2,428.22, 3,644.49 and 1,130.42 is: 1,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.22 : 3,644.49 = 1,130.42 : x
  2. Step 2: Convert to fraction form
    2,428.22/3,644.49 = 1,130.42/x
  3. Step 3: Cross multiply
    2,428.22x = 3,644.49 × 1,130.42
  4. Step 4: Simplify right side
    2,428.22x = 4,119,804.39
  5. Step 5: Solve for x
    x = 4,119,804.39/2,428.22
  6. Step 6: Final answer
    x = 1,696.64

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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.