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Finding the Fourth Proportional to 1,714.06, 2,571.26 and 674.14

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Solution

The fourth proportional to 1,714.06, 2,571.26 and 674.14 is: 1,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.06 : 2,571.26 = 674.14 : x
  2. Step 2: Convert to fraction form
    1,714.06/2,571.26 = 674.14/x
  3. Step 3: Cross multiply
    1,714.06x = 2,571.26 × 674.14
  4. Step 4: Simplify right side
    1,714.06x = 1,733,389.22
  5. Step 5: Solve for x
    x = 1,733,389.22/1,714.06
  6. Step 6: Final answer
    x = 1,011.28

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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.