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Finding the Fourth Proportional to 2,018.15, 3,026.86 and 556.94

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Solution

The fourth proportional to 2,018.15, 3,026.86 and 556.94 is: 835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.15 : 3,026.86 = 556.94 : x
  2. Step 2: Convert to fraction form
    2,018.15/3,026.86 = 556.94/x
  3. Step 3: Cross multiply
    2,018.15x = 3,026.86 × 556.94
  4. Step 4: Simplify right side
    2,018.15x = 1,685,779.41
  5. Step 5: Solve for x
    x = 1,685,779.41/2,018.15
  6. Step 6: Final answer
    x = 835.31

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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.