Home / 3,783.41-5,220.98-2,104.76

Finding the Fourth Proportional to 3,783.41, 5,220.98 and 2,104.76

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Solution

The fourth proportional to 3,783.41, 5,220.98 and 2,104.76 is: 2,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.41 : 5,220.98 = 2,104.76 : x
  2. Step 2: Convert to fraction form
    3,783.41/5,220.98 = 2,104.76/x
  3. Step 3: Cross multiply
    3,783.41x = 5,220.98 × 2,104.76
  4. Step 4: Simplify right side
    3,783.41x = 10,988,911.52
  5. Step 5: Solve for x
    x = 10,988,911.52/3,783.41
  6. Step 6: Final answer
    x = 2,904.50

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Half scale
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Double scale
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Similar ratio
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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.