Home / 3,840.19-5,299.46-2,269.24

Finding the Fourth Proportional to 3,840.19, 5,299.46 and 2,269.24

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Solution

The fourth proportional to 3,840.19, 5,299.46 and 2,269.24 is: 3,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.19 : 5,299.46 = 2,269.24 : x
  2. Step 2: Convert to fraction form
    3,840.19/5,299.46 = 2,269.24/x
  3. Step 3: Cross multiply
    3,840.19x = 5,299.46 × 2,269.24
  4. Step 4: Simplify right side
    3,840.19x = 12,025,730.53
  5. Step 5: Solve for x
    x = 12,025,730.53/3,840.19
  6. Step 6: Final answer
    x = 3,131.55

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Half scale
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Double scale
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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.