Home / 2,918.20-4,027.64-1,739.34

Finding the Fourth Proportional to 2,918.20, 4,027.64 and 1,739.34

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Solution

The fourth proportional to 2,918.20, 4,027.64 and 1,739.34 is: 2,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.20 : 4,027.64 = 1,739.34 : x
  2. Step 2: Convert to fraction form
    2,918.20/4,027.64 = 1,739.34/x
  3. Step 3: Cross multiply
    2,918.20x = 4,027.64 × 1,739.34
  4. Step 4: Simplify right side
    2,918.20x = 7,005,441.76
  5. Step 5: Solve for x
    x = 7,005,441.76/2,918.20
  6. Step 6: Final answer
    x = 2,400.61

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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.