Home / 4,047.87-5,586.08-2,255.21

Finding the Fourth Proportional to 4,047.87, 5,586.08 and 2,255.21

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Solution

The fourth proportional to 4,047.87, 5,586.08 and 2,255.21 is: 3,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.87 : 5,586.08 = 2,255.21 : x
  2. Step 2: Convert to fraction form
    4,047.87/5,586.08 = 2,255.21/x
  3. Step 3: Cross multiply
    4,047.87x = 5,586.08 × 2,255.21
  4. Step 4: Simplify right side
    4,047.87x = 12,597,783.48
  5. Step 5: Solve for x
    x = 12,597,783.48/4,047.87
  6. Step 6: Final answer
    x = 3,112.20

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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.