Home / 2,918.68-4,027.38-1,676.68

Finding the Fourth Proportional to 2,918.68, 4,027.38 and 1,676.68

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Solution

The fourth proportional to 2,918.68, 4,027.38 and 1,676.68 is: 2,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.68 : 4,027.38 = 1,676.68 : x
  2. Step 2: Convert to fraction form
    2,918.68/4,027.38 = 1,676.68/x
  3. Step 3: Cross multiply
    2,918.68x = 4,027.38 × 1,676.68
  4. Step 4: Simplify right side
    2,918.68x = 6,752,627.50
  5. Step 5: Solve for x
    x = 6,752,627.50/2,918.68
  6. Step 6: Final answer
    x = 2,313.59

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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.