Home / 1,708.10-2,559.44-1,243.75

Finding the Fourth Proportional to 1,708.10, 2,559.44 and 1,243.75

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Solution

The fourth proportional to 1,708.10, 2,559.44 and 1,243.75 is: 1,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.10 : 2,559.44 = 1,243.75 : x
  2. Step 2: Convert to fraction form
    1,708.10/2,559.44 = 1,243.75/x
  3. Step 3: Cross multiply
    1,708.10x = 2,559.44 × 1,243.75
  4. Step 4: Simplify right side
    1,708.10x = 3,183,303.50
  5. Step 5: Solve for x
    x = 3,183,303.50/1,708.10
  6. Step 6: Final answer
    x = 1,863.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.