Home / 1,952.97-2,695.23-1,288.67

Finding the Fourth Proportional to 1,952.97, 2,695.23 and 1,288.67

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Solution

The fourth proportional to 1,952.97, 2,695.23 and 1,288.67 is: 1,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.97 : 2,695.23 = 1,288.67 : x
  2. Step 2: Convert to fraction form
    1,952.97/2,695.23 = 1,288.67/x
  3. Step 3: Cross multiply
    1,952.97x = 2,695.23 × 1,288.67
  4. Step 4: Simplify right side
    1,952.97x = 3,473,258.53
  5. Step 5: Solve for x
    x = 3,473,258.53/1,952.97
  6. Step 6: Final answer
    x = 1,778.45

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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.