Home / 2,019.60-3,029.31-558.66

Finding the Fourth Proportional to 2,019.60, 3,029.31 and 558.66

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Solution

The fourth proportional to 2,019.60, 3,029.31 and 558.66 is: 837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.60 : 3,029.31 = 558.66 : x
  2. Step 2: Convert to fraction form
    2,019.60/3,029.31 = 558.66/x
  3. Step 3: Cross multiply
    2,019.60x = 3,029.31 × 558.66
  4. Step 4: Simplify right side
    2,019.60x = 1,692,354.32
  5. Step 5: Solve for x
    x = 1,692,354.32/2,019.60
  6. Step 6: Final answer
    x = 837.97

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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.