Home / 1,679.45-2,519.20-583.84

Finding the Fourth Proportional to 1,679.45, 2,519.20 and 583.84

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Solution

The fourth proportional to 1,679.45, 2,519.20 and 583.84 is: 875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.45 : 2,519.20 = 583.84 : x
  2. Step 2: Convert to fraction form
    1,679.45/2,519.20 = 583.84/x
  3. Step 3: Cross multiply
    1,679.45x = 2,519.20 × 583.84
  4. Step 4: Simplify right side
    1,679.45x = 1,470,817.49
  5. Step 5: Solve for x
    x = 1,470,817.49/1,679.45
  6. Step 6: Final answer
    x = 875.77

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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.