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Finding the Fourth Proportional to 2,012.60, 3,018.90 and 1,708.85

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Solution

The fourth proportional to 2,012.60, 3,018.90 and 1,708.85 is: 2,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.60 : 3,018.90 = 1,708.85 : x
  2. Step 2: Convert to fraction form
    2,012.60/3,018.90 = 1,708.85/x
  3. Step 3: Cross multiply
    2,012.60x = 3,018.90 × 1,708.85
  4. Step 4: Simplify right side
    2,012.60x = 5,158,847.27
  5. Step 5: Solve for x
    x = 5,158,847.27/2,012.60
  6. Step 6: Final answer
    x = 2,563.28

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1.5x scale

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.