Home / 1,917.02-2,852.20-1,910.54

Finding the Fourth Proportional to 1,917.02, 2,852.20 and 1,910.54

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Solution

The fourth proportional to 1,917.02, 2,852.20 and 1,910.54 is: 2,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.02 : 2,852.20 = 1,910.54 : x
  2. Step 2: Convert to fraction form
    1,917.02/2,852.20 = 1,910.54/x
  3. Step 3: Cross multiply
    1,917.02x = 2,852.20 × 1,910.54
  4. Step 4: Simplify right side
    1,917.02x = 5,449,242.19
  5. Step 5: Solve for x
    x = 5,449,242.19/1,917.02
  6. Step 6: Final answer
    x = 2,842.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.