Home / 2,328.20-3,485.10-1,351.40

Finding the Fourth Proportional to 2,328.20, 3,485.10 and 1,351.40

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Solution

The fourth proportional to 2,328.20, 3,485.10 and 1,351.40 is: 2,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.20 : 3,485.10 = 1,351.40 : x
  2. Step 2: Convert to fraction form
    2,328.20/3,485.10 = 1,351.40/x
  3. Step 3: Cross multiply
    2,328.20x = 3,485.10 × 1,351.40
  4. Step 4: Simplify right side
    2,328.20x = 4,709,764.14
  5. Step 5: Solve for x
    x = 4,709,764.14/2,328.20
  6. Step 6: Final answer
    x = 2,022.92

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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.