Home / 2,676.37-4,015.01-1,117.21

Finding the Fourth Proportional to 2,676.37, 4,015.01 and 1,117.21

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Solution

The fourth proportional to 2,676.37, 4,015.01 and 1,117.21 is: 1,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.37 : 4,015.01 = 1,117.21 : x
  2. Step 2: Convert to fraction form
    2,676.37/4,015.01 = 1,117.21/x
  3. Step 3: Cross multiply
    2,676.37x = 4,015.01 × 1,117.21
  4. Step 4: Simplify right side
    2,676.37x = 4,485,609.32
  5. Step 5: Solve for x
    x = 4,485,609.32/2,676.37
  6. Step 6: Final answer
    x = 1,676.00

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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.