Home / 2,019.67-3,029.20-558.50

Finding the Fourth Proportional to 2,019.67, 3,029.20 and 558.50

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Solution

The fourth proportional to 2,019.67, 3,029.20 and 558.50 is: 837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.67 : 3,029.20 = 558.50 : x
  2. Step 2: Convert to fraction form
    2,019.67/3,029.20 = 558.50/x
  3. Step 3: Cross multiply
    2,019.67x = 3,029.20 × 558.50
  4. Step 4: Simplify right side
    2,019.67x = 1,691,808.20
  5. Step 5: Solve for x
    x = 1,691,808.20/2,019.67
  6. Step 6: Final answer
    x = 837.67

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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.