Home / 1,768.58-2,440.60-982.66

Finding the Fourth Proportional to 1,768.58, 2,440.60 and 982.66

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Solution

The fourth proportional to 1,768.58, 2,440.60 and 982.66 is: 1,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.58 : 2,440.60 = 982.66 : x
  2. Step 2: Convert to fraction form
    1,768.58/2,440.60 = 982.66/x
  3. Step 3: Cross multiply
    1,768.58x = 2,440.60 × 982.66
  4. Step 4: Simplify right side
    1,768.58x = 2,398,280.00
  5. Step 5: Solve for x
    x = 2,398,280.00/1,768.58
  6. Step 6: Final answer
    x = 1,356.05

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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.