Home / 2,328.43-3,213.26-1,280.50

Finding the Fourth Proportional to 2,328.43, 3,213.26 and 1,280.50

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Solution

The fourth proportional to 2,328.43, 3,213.26 and 1,280.50 is: 1,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.43 : 3,213.26 = 1,280.50 : x
  2. Step 2: Convert to fraction form
    2,328.43/3,213.26 = 1,280.50/x
  3. Step 3: Cross multiply
    2,328.43x = 3,213.26 × 1,280.50
  4. Step 4: Simplify right side
    2,328.43x = 4,114,579.43
  5. Step 5: Solve for x
    x = 4,114,579.43/2,328.43
  6. Step 6: Final answer
    x = 1,767.10

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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.