Home / 1,676.22-2,313.18-1,012.94

Finding the Fourth Proportional to 1,676.22, 2,313.18 and 1,012.94

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Solution

The fourth proportional to 1,676.22, 2,313.18 and 1,012.94 is: 1,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.22 : 2,313.18 = 1,012.94 : x
  2. Step 2: Convert to fraction form
    1,676.22/2,313.18 = 1,012.94/x
  3. Step 3: Cross multiply
    1,676.22x = 2,313.18 × 1,012.94
  4. Step 4: Simplify right side
    1,676.22x = 2,343,112.55
  5. Step 5: Solve for x
    x = 2,343,112.55/1,676.22
  6. Step 6: Final answer
    x = 1,397.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.