Home / 2,018.90-3,027.13-1,316.63

Finding the Fourth Proportional to 2,018.90, 3,027.13 and 1,316.63

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Solution

The fourth proportional to 2,018.90, 3,027.13 and 1,316.63 is: 1,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.90 : 3,027.13 = 1,316.63 : x
  2. Step 2: Convert to fraction form
    2,018.90/3,027.13 = 1,316.63/x
  3. Step 3: Cross multiply
    2,018.90x = 3,027.13 × 1,316.63
  4. Step 4: Simplify right side
    2,018.90x = 3,985,610.17
  5. Step 5: Solve for x
    x = 3,985,610.17/2,018.90
  6. Step 6: Final answer
    x = 1,974.15

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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.