Home / 2,227.63-3,339.09-1,186.99

Finding the Fourth Proportional to 2,227.63, 3,339.09 and 1,186.99

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Solution

The fourth proportional to 2,227.63, 3,339.09 and 1,186.99 is: 1,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.63 : 3,339.09 = 1,186.99 : x
  2. Step 2: Convert to fraction form
    2,227.63/3,339.09 = 1,186.99/x
  3. Step 3: Cross multiply
    2,227.63x = 3,339.09 × 1,186.99
  4. Step 4: Simplify right side
    2,227.63x = 3,963,466.44
  5. Step 5: Solve for x
    x = 3,963,466.44/2,227.63
  6. Step 6: Final answer
    x = 1,779.23

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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.