Home / 2,012.60-3,018.46-971.96

Finding the Fourth Proportional to 2,012.60, 3,018.46 and 971.96

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Solution

The fourth proportional to 2,012.60, 3,018.46 and 971.96 is: 1,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.60 : 3,018.46 = 971.96 : x
  2. Step 2: Convert to fraction form
    2,012.60/3,018.46 = 971.96/x
  3. Step 3: Cross multiply
    2,012.60x = 3,018.46 × 971.96
  4. Step 4: Simplify right side
    2,012.60x = 2,933,822.38
  5. Step 5: Solve for x
    x = 2,933,822.38/2,012.60
  6. Step 6: Final answer
    x = 1,457.73

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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.