Home / 3,485.72-4,810.20-1,892.33

Finding the Fourth Proportional to 3,485.72, 4,810.20 and 1,892.33

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Solution

The fourth proportional to 3,485.72, 4,810.20 and 1,892.33 is: 2,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.72 : 4,810.20 = 1,892.33 : x
  2. Step 2: Convert to fraction form
    3,485.72/4,810.20 = 1,892.33/x
  3. Step 3: Cross multiply
    3,485.72x = 4,810.20 × 1,892.33
  4. Step 4: Simplify right side
    3,485.72x = 9,102,472.66
  5. Step 5: Solve for x
    x = 9,102,472.66/3,485.72
  6. Step 6: Final answer
    x = 2,611.36

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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.