Home / 2,840.23-4,261.01-892.43

Finding the Fourth Proportional to 2,840.23, 4,261.01 and 892.43

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Solution

The fourth proportional to 2,840.23, 4,261.01 and 892.43 is: 1,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.23 : 4,261.01 = 892.43 : x
  2. Step 2: Convert to fraction form
    2,840.23/4,261.01 = 892.43/x
  3. Step 3: Cross multiply
    2,840.23x = 4,261.01 × 892.43
  4. Step 4: Simplify right side
    2,840.23x = 3,802,634.08
  5. Step 5: Solve for x
    x = 3,802,634.08/2,840.23
  6. Step 6: Final answer
    x = 1,338.85

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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.