Home / 2,376.21-3,563.19-1,389.30

Finding the Fourth Proportional to 2,376.21, 3,563.19 and 1,389.30

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Solution

The fourth proportional to 2,376.21, 3,563.19 and 1,389.30 is: 2,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.21 : 3,563.19 = 1,389.30 : x
  2. Step 2: Convert to fraction form
    2,376.21/3,563.19 = 1,389.30/x
  3. Step 3: Cross multiply
    2,376.21x = 3,563.19 × 1,389.30
  4. Step 4: Simplify right side
    2,376.21x = 4,950,339.87
  5. Step 5: Solve for x
    x = 4,950,339.87/2,376.21
  6. Step 6: Final answer
    x = 2,083.29

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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.