Home / 4,029.92-5,560.56-2,261.60

Finding the Fourth Proportional to 4,029.92, 5,560.56 and 2,261.60

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Solution

The fourth proportional to 4,029.92, 5,560.56 and 2,261.60 is: 3,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.92 : 5,560.56 = 2,261.60 : x
  2. Step 2: Convert to fraction form
    4,029.92/5,560.56 = 2,261.60/x
  3. Step 3: Cross multiply
    4,029.92x = 5,560.56 × 2,261.60
  4. Step 4: Simplify right side
    4,029.92x = 12,575,762.50
  5. Step 5: Solve for x
    x = 12,575,762.50/4,029.92
  6. Step 6: Final answer
    x = 3,120.60

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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.