Home / 1,766.76-2,439.04-1,208

Finding the Fourth Proportional to 1,766.76, 2,439.04 and 1,208

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Solution

The fourth proportional to 1,766.76, 2,439.04 and 1,208 is: 1,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.76 : 2,439.04 = 1,208 : x
  2. Step 2: Convert to fraction form
    1,766.76/2,439.04 = 1,208/x
  3. Step 3: Cross multiply
    1,766.76x = 2,439.04 × 1,208
  4. Step 4: Simplify right side
    1,766.76x = 2,946,360.32
  5. Step 5: Solve for x
    x = 2,946,360.32/1,766.76
  6. Step 6: Final answer
    x = 1,667.66

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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.