Home / 1,760.44-2,644.36-1,111.64

Finding the Fourth Proportional to 1,760.44, 2,644.36 and 1,111.64

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Solution

The fourth proportional to 1,760.44, 2,644.36 and 1,111.64 is: 1,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.44 : 2,644.36 = 1,111.64 : x
  2. Step 2: Convert to fraction form
    1,760.44/2,644.36 = 1,111.64/x
  3. Step 3: Cross multiply
    1,760.44x = 2,644.36 × 1,111.64
  4. Step 4: Simplify right side
    1,760.44x = 2,939,576.35
  5. Step 5: Solve for x
    x = 2,939,576.35/1,760.44
  6. Step 6: Final answer
    x = 1,669.80

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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.