Home / 3,435.36-4,739.64-2,091.44

Finding the Fourth Proportional to 3,435.36, 4,739.64 and 2,091.44

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Solution

The fourth proportional to 3,435.36, 4,739.64 and 2,091.44 is: 2,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.36 : 4,739.64 = 2,091.44 : x
  2. Step 2: Convert to fraction form
    3,435.36/4,739.64 = 2,091.44/x
  3. Step 3: Cross multiply
    3,435.36x = 4,739.64 × 2,091.44
  4. Step 4: Simplify right side
    3,435.36x = 9,912,672.68
  5. Step 5: Solve for x
    x = 9,912,672.68/3,435.36
  6. Step 6: Final answer
    x = 2,885.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.