Home / 3,846.24-5,305.56-2,665.20

Finding the Fourth Proportional to 3,846.24, 5,305.56 and 2,665.20

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Solution

The fourth proportional to 3,846.24, 5,305.56 and 2,665.20 is: 3,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.24 : 5,305.56 = 2,665.20 : x
  2. Step 2: Convert to fraction form
    3,846.24/5,305.56 = 2,665.20/x
  3. Step 3: Cross multiply
    3,846.24x = 5,305.56 × 2,665.20
  4. Step 4: Simplify right side
    3,846.24x = 14,140,378.51
  5. Step 5: Solve for x
    x = 14,140,378.51/3,846.24
  6. Step 6: Final answer
    x = 3,676.42

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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.