Home / 1,708.99-2,563.48-1,319.56

Finding the Fourth Proportional to 1,708.99, 2,563.48 and 1,319.56

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Solution

The fourth proportional to 1,708.99, 2,563.48 and 1,319.56 is: 1,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.99 : 2,563.48 = 1,319.56 : x
  2. Step 2: Convert to fraction form
    1,708.99/2,563.48 = 1,319.56/x
  3. Step 3: Cross multiply
    1,708.99x = 2,563.48 × 1,319.56
  4. Step 4: Simplify right side
    1,708.99x = 3,382,660.91
  5. Step 5: Solve for x
    x = 3,382,660.91/1,708.99
  6. Step 6: Final answer
    x = 1,979.34

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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.