Home / 3,840.44-5,300.76-2,269.04

Finding the Fourth Proportional to 3,840.44, 5,300.76 and 2,269.04

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Solution

The fourth proportional to 3,840.44, 5,300.76 and 2,269.04 is: 3,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.44 : 5,300.76 = 2,269.04 : x
  2. Step 2: Convert to fraction form
    3,840.44/5,300.76 = 2,269.04/x
  3. Step 3: Cross multiply
    3,840.44x = 5,300.76 × 2,269.04
  4. Step 4: Simplify right side
    3,840.44x = 12,027,636.47
  5. Step 5: Solve for x
    x = 12,027,636.47/3,840.44
  6. Step 6: Final answer
    x = 3,131.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.