Home / 2,012.03-3,018.05-1,038.41

Finding the Fourth Proportional to 2,012.03, 3,018.05 and 1,038.41

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Solution

The fourth proportional to 2,012.03, 3,018.05 and 1,038.41 is: 1,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.03 : 3,018.05 = 1,038.41 : x
  2. Step 2: Convert to fraction form
    2,012.03/3,018.05 = 1,038.41/x
  3. Step 3: Cross multiply
    2,012.03x = 3,018.05 × 1,038.41
  4. Step 4: Simplify right side
    2,012.03x = 3,133,973.30
  5. Step 5: Solve for x
    x = 3,133,973.30/2,012.03
  6. Step 6: Final answer
    x = 1,557.62

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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.