Home / 1,424.44-2,137.38-558.76

Finding the Fourth Proportional to 1,424.44, 2,137.38 and 558.76

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Solution

The fourth proportional to 1,424.44, 2,137.38 and 558.76 is: 838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.44 : 2,137.38 = 558.76 : x
  2. Step 2: Convert to fraction form
    1,424.44/2,137.38 = 558.76/x
  3. Step 3: Cross multiply
    1,424.44x = 2,137.38 × 558.76
  4. Step 4: Simplify right side
    1,424.44x = 1,194,282.45
  5. Step 5: Solve for x
    x = 1,194,282.45/1,424.44
  6. Step 6: Final answer
    x = 838.42

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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.