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Finding the Fourth Proportional to 2,760.69, 3,808.04 and 1,712.76

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Solution

The fourth proportional to 2,760.69, 3,808.04 and 1,712.76 is: 2,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.69 : 3,808.04 = 1,712.76 : x
  2. Step 2: Convert to fraction form
    2,760.69/3,808.04 = 1,712.76/x
  3. Step 3: Cross multiply
    2,760.69x = 3,808.04 × 1,712.76
  4. Step 4: Simplify right side
    2,760.69x = 6,522,258.59
  5. Step 5: Solve for x
    x = 6,522,258.59/2,760.69
  6. Step 6: Final answer
    x = 2,362.55

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1.5x scale

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.