Home / 3,783.12-5,225.76-3,083.28

Finding the Fourth Proportional to 3,783.12, 5,225.76 and 3,083.28

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Solution

The fourth proportional to 3,783.12, 5,225.76 and 3,083.28 is: 4,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.12 : 5,225.76 = 3,083.28 : x
  2. Step 2: Convert to fraction form
    3,783.12/5,225.76 = 3,083.28/x
  3. Step 3: Cross multiply
    3,783.12x = 5,225.76 × 3,083.28
  4. Step 4: Simplify right side
    3,783.12x = 16,112,481.29
  5. Step 5: Solve for x
    x = 16,112,481.29/3,783.12
  6. Step 6: Final answer
    x = 4,259.05

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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.