Home / 2,355.80-3,537.30-1,628.60

Finding the Fourth Proportional to 2,355.80, 3,537.30 and 1,628.60

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Solution

The fourth proportional to 2,355.80, 3,537.30 and 1,628.60 is: 2,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.80 : 3,537.30 = 1,628.60 : x
  2. Step 2: Convert to fraction form
    2,355.80/3,537.30 = 1,628.60/x
  3. Step 3: Cross multiply
    2,355.80x = 3,537.30 × 1,628.60
  4. Step 4: Simplify right side
    2,355.80x = 5,760,846.78
  5. Step 5: Solve for x
    x = 5,760,846.78/2,355.80
  6. Step 6: Final answer
    x = 2,445.39

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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.