Home / 1,676.83-2,313.20-1,362.45

Finding the Fourth Proportional to 1,676.83, 2,313.20 and 1,362.45

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Solution

The fourth proportional to 1,676.83, 2,313.20 and 1,362.45 is: 1,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.83 : 2,313.20 = 1,362.45 : x
  2. Step 2: Convert to fraction form
    1,676.83/2,313.20 = 1,362.45/x
  3. Step 3: Cross multiply
    1,676.83x = 2,313.20 × 1,362.45
  4. Step 4: Simplify right side
    1,676.83x = 3,151,619.34
  5. Step 5: Solve for x
    x = 3,151,619.34/1,676.83
  6. Step 6: Final answer
    x = 1,879.51

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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.