Home / 1,406.10-2,107.44-995.36

Finding the Fourth Proportional to 1,406.10, 2,107.44 and 995.36

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Solution

The fourth proportional to 1,406.10, 2,107.44 and 995.36 is: 1,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.10 : 2,107.44 = 995.36 : x
  2. Step 2: Convert to fraction form
    1,406.10/2,107.44 = 995.36/x
  3. Step 3: Cross multiply
    1,406.10x = 2,107.44 × 995.36
  4. Step 4: Simplify right side
    1,406.10x = 2,097,650.94
  5. Step 5: Solve for x
    x = 2,097,650.94/1,406.10
  6. Step 6: Final answer
    x = 1,491.82

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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.