Home / 2,840.46-4,262.08-1,281.54

Finding the Fourth Proportional to 2,840.46, 4,262.08 and 1,281.54

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Solution

The fourth proportional to 2,840.46, 4,262.08 and 1,281.54 is: 1,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.46 : 4,262.08 = 1,281.54 : x
  2. Step 2: Convert to fraction form
    2,840.46/4,262.08 = 1,281.54/x
  3. Step 3: Cross multiply
    2,840.46x = 4,262.08 × 1,281.54
  4. Step 4: Simplify right side
    2,840.46x = 5,462,026.00
  5. Step 5: Solve for x
    x = 5,462,026.00/2,840.46
  6. Step 6: Final answer
    x = 1,922.94

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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.