Home / 3,015.78-4,165.83-2,360.94

Finding the Fourth Proportional to 3,015.78, 4,165.83 and 2,360.94

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Solution

The fourth proportional to 3,015.78, 4,165.83 and 2,360.94 is: 3,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.78 : 4,165.83 = 2,360.94 : x
  2. Step 2: Convert to fraction form
    3,015.78/4,165.83 = 2,360.94/x
  3. Step 3: Cross multiply
    3,015.78x = 4,165.83 × 2,360.94
  4. Step 4: Simplify right side
    3,015.78x = 9,835,274.68
  5. Step 5: Solve for x
    x = 9,835,274.68/3,015.78
  6. Step 6: Final answer
    x = 3,261.27

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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.