Home / 2,607.21-3,908.07-1,048.32

Finding the Fourth Proportional to 2,607.21, 3,908.07 and 1,048.32

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Solution

The fourth proportional to 2,607.21, 3,908.07 and 1,048.32 is: 1,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.21 : 3,908.07 = 1,048.32 : x
  2. Step 2: Convert to fraction form
    2,607.21/3,908.07 = 1,048.32/x
  3. Step 3: Cross multiply
    2,607.21x = 3,908.07 × 1,048.32
  4. Step 4: Simplify right side
    2,607.21x = 4,096,907.94
  5. Step 5: Solve for x
    x = 4,096,907.94/2,607.21
  6. Step 6: Final answer
    x = 1,571.38

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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.