Home / 2,893.12-4,336.08-1,160.80

Finding the Fourth Proportional to 2,893.12, 4,336.08 and 1,160.80

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Solution

The fourth proportional to 2,893.12, 4,336.08 and 1,160.80 is: 1,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.12 : 4,336.08 = 1,160.80 : x
  2. Step 2: Convert to fraction form
    2,893.12/4,336.08 = 1,160.80/x
  3. Step 3: Cross multiply
    2,893.12x = 4,336.08 × 1,160.80
  4. Step 4: Simplify right side
    2,893.12x = 5,033,321.66
  5. Step 5: Solve for x
    x = 5,033,321.66/2,893.12
  6. Step 6: Final answer
    x = 1,739.76

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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.