Home / 1,738.96-2,608.20-440.35

Finding the Fourth Proportional to 1,738.96, 2,608.20 and 440.35

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Solution

The fourth proportional to 1,738.96, 2,608.20 and 440.35 is: 660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.96 : 2,608.20 = 440.35 : x
  2. Step 2: Convert to fraction form
    1,738.96/2,608.20 = 440.35/x
  3. Step 3: Cross multiply
    1,738.96x = 2,608.20 × 440.35
  4. Step 4: Simplify right side
    1,738.96x = 1,148,520.87
  5. Step 5: Solve for x
    x = 1,148,520.87/1,738.96
  6. Step 6: Final answer
    x = 660.46

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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.