Home / 1,628.12-2,442.87-848.33

Finding the Fourth Proportional to 1,628.12, 2,442.87 and 848.33

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Solution

The fourth proportional to 1,628.12, 2,442.87 and 848.33 is: 1,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.12 : 2,442.87 = 848.33 : x
  2. Step 2: Convert to fraction form
    1,628.12/2,442.87 = 848.33/x
  3. Step 3: Cross multiply
    1,628.12x = 2,442.87 × 848.33
  4. Step 4: Simplify right side
    1,628.12x = 2,072,347.69
  5. Step 5: Solve for x
    x = 2,072,347.69/1,628.12
  6. Step 6: Final answer
    x = 1,272.85

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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.