Home / 2,256.20-3,384.30-1,605.50

Finding the Fourth Proportional to 2,256.20, 3,384.30 and 1,605.50

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Solution

The fourth proportional to 2,256.20, 3,384.30 and 1,605.50 is: 2,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.20 : 3,384.30 = 1,605.50 : x
  2. Step 2: Convert to fraction form
    2,256.20/3,384.30 = 1,605.50/x
  3. Step 3: Cross multiply
    2,256.20x = 3,384.30 × 1,605.50
  4. Step 4: Simplify right side
    2,256.20x = 5,433,493.65
  5. Step 5: Solve for x
    x = 5,433,493.65/2,256.20
  6. Step 6: Final answer
    x = 2,408.25

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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.