Home / 3,018.64-4,515.78-2,612.32

Finding the Fourth Proportional to 3,018.64, 4,515.78 and 2,612.32

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Solution

The fourth proportional to 3,018.64, 4,515.78 and 2,612.32 is: 3,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.64 : 4,515.78 = 2,612.32 : x
  2. Step 2: Convert to fraction form
    3,018.64/4,515.78 = 2,612.32/x
  3. Step 3: Cross multiply
    3,018.64x = 4,515.78 × 2,612.32
  4. Step 4: Simplify right side
    3,018.64x = 11,796,662.41
  5. Step 5: Solve for x
    x = 11,796,662.41/3,018.64
  6. Step 6: Final answer
    x = 3,907.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.