Home / 2,418.80-3,628.20-1,491.35

Finding the Fourth Proportional to 2,418.80, 3,628.20 and 1,491.35

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Solution

The fourth proportional to 2,418.80, 3,628.20 and 1,491.35 is: 2,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.80 : 3,628.20 = 1,491.35 : x
  2. Step 2: Convert to fraction form
    2,418.80/3,628.20 = 1,491.35/x
  3. Step 3: Cross multiply
    2,418.80x = 3,628.20 × 1,491.35
  4. Step 4: Simplify right side
    2,418.80x = 5,410,916.07
  5. Step 5: Solve for x
    x = 5,410,916.07/2,418.80
  6. Step 6: Final answer
    x = 2,237.03

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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.