Home / 2,846.32-4,270.32-845.07

Finding the Fourth Proportional to 2,846.32, 4,270.32 and 845.07

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Solution

The fourth proportional to 2,846.32, 4,270.32 and 845.07 is: 1,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.32 : 4,270.32 = 845.07 : x
  2. Step 2: Convert to fraction form
    2,846.32/4,270.32 = 845.07/x
  3. Step 3: Cross multiply
    2,846.32x = 4,270.32 × 845.07
  4. Step 4: Simplify right side
    2,846.32x = 3,608,703.31
  5. Step 5: Solve for x
    x = 3,608,703.31/2,846.32
  6. Step 6: Final answer
    x = 1,267.85

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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.