Home / 2,846.10-4,270.36-1,385.26

Finding the Fourth Proportional to 2,846.10, 4,270.36 and 1,385.26

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Solution

The fourth proportional to 2,846.10, 4,270.36 and 1,385.26 is: 2,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.10 : 4,270.36 = 1,385.26 : x
  2. Step 2: Convert to fraction form
    2,846.10/4,270.36 = 1,385.26/x
  3. Step 3: Cross multiply
    2,846.10x = 4,270.36 × 1,385.26
  4. Step 4: Simplify right side
    2,846.10x = 5,915,558.89
  5. Step 5: Solve for x
    x = 5,915,558.89/2,846.10
  6. Step 6: Final answer
    x = 2,078.48

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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.