Home / 1,679.26-2,518.80-583.30

Finding the Fourth Proportional to 1,679.26, 2,518.80 and 583.30

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Solution

The fourth proportional to 1,679.26, 2,518.80 and 583.30 is: 874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.26 : 2,518.80 = 583.30 : x
  2. Step 2: Convert to fraction form
    1,679.26/2,518.80 = 583.30/x
  3. Step 3: Cross multiply
    1,679.26x = 2,518.80 × 583.30
  4. Step 4: Simplify right side
    1,679.26x = 1,469,216.04
  5. Step 5: Solve for x
    x = 1,469,216.04/1,679.26
  6. Step 6: Final answer
    x = 874.92

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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.