Home / 2,840.34-3,918.60-2,096.08

Finding the Fourth Proportional to 2,840.34, 3,918.60 and 2,096.08

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Solution

The fourth proportional to 2,840.34, 3,918.60 and 2,096.08 is: 2,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.34 : 3,918.60 = 2,096.08 : x
  2. Step 2: Convert to fraction form
    2,840.34/3,918.60 = 2,096.08/x
  3. Step 3: Cross multiply
    2,840.34x = 3,918.60 × 2,096.08
  4. Step 4: Simplify right side
    2,840.34x = 8,213,699.09
  5. Step 5: Solve for x
    x = 8,213,699.09/2,840.34
  6. Step 6: Final answer
    x = 2,891.80

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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.