Home / 3,005.90-4,509.54-1,362.44

Finding the Fourth Proportional to 3,005.90, 4,509.54 and 1,362.44

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Solution

The fourth proportional to 3,005.90, 4,509.54 and 1,362.44 is: 2,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.90 : 4,509.54 = 1,362.44 : x
  2. Step 2: Convert to fraction form
    3,005.90/4,509.54 = 1,362.44/x
  3. Step 3: Cross multiply
    3,005.90x = 4,509.54 × 1,362.44
  4. Step 4: Simplify right side
    3,005.90x = 6,143,977.68
  5. Step 5: Solve for x
    x = 6,143,977.68/3,005.90
  6. Step 6: Final answer
    x = 2,043.97

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1.5x scale

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.