Home / 2,349.42-3,520.43-1,908.54

Finding the Fourth Proportional to 2,349.42, 3,520.43 and 1,908.54

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Solution

The fourth proportional to 2,349.42, 3,520.43 and 1,908.54 is: 2,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.42 : 3,520.43 = 1,908.54 : x
  2. Step 2: Convert to fraction form
    2,349.42/3,520.43 = 1,908.54/x
  3. Step 3: Cross multiply
    2,349.42x = 3,520.43 × 1,908.54
  4. Step 4: Simplify right side
    2,349.42x = 6,718,871.93
  5. Step 5: Solve for x
    x = 6,718,871.93/2,349.42
  6. Step 6: Final answer
    x = 2,859.80

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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.