Home / 2,758.40-3,806.66-1,499.54

Finding the Fourth Proportional to 2,758.40, 3,806.66 and 1,499.54

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Solution

The fourth proportional to 2,758.40, 3,806.66 and 1,499.54 is: 2,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.40 : 3,806.66 = 1,499.54 : x
  2. Step 2: Convert to fraction form
    2,758.40/3,806.66 = 1,499.54/x
  3. Step 3: Cross multiply
    2,758.40x = 3,806.66 × 1,499.54
  4. Step 4: Simplify right side
    2,758.40x = 5,708,224.66
  5. Step 5: Solve for x
    x = 5,708,224.66/2,758.40
  6. Step 6: Final answer
    x = 2,069.40

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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.