Home / 3,261.92-4,893.48-1,070.78

Finding the Fourth Proportional to 3,261.92, 4,893.48 and 1,070.78

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Solution

The fourth proportional to 3,261.92, 4,893.48 and 1,070.78 is: 1,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.92 : 4,893.48 = 1,070.78 : x
  2. Step 2: Convert to fraction form
    3,261.92/4,893.48 = 1,070.78/x
  3. Step 3: Cross multiply
    3,261.92x = 4,893.48 × 1,070.78
  4. Step 4: Simplify right side
    3,261.92x = 5,239,840.51
  5. Step 5: Solve for x
    x = 5,239,840.51/3,261.92
  6. Step 6: Final answer
    x = 1,606.37

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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.