Home / 2,849.36-4,274.22-1,205.60

Finding the Fourth Proportional to 2,849.36, 4,274.22 and 1,205.60

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Solution

The fourth proportional to 2,849.36, 4,274.22 and 1,205.60 is: 1,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.36 : 4,274.22 = 1,205.60 : x
  2. Step 2: Convert to fraction form
    2,849.36/4,274.22 = 1,205.60/x
  3. Step 3: Cross multiply
    2,849.36x = 4,274.22 × 1,205.60
  4. Step 4: Simplify right side
    2,849.36x = 5,152,999.63
  5. Step 5: Solve for x
    x = 5,152,999.63/2,849.36
  6. Step 6: Final answer
    x = 1,808.48

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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.