Home / 4,240.91-6,361.97-1,319.51

Finding the Fourth Proportional to 4,240.91, 6,361.97 and 1,319.51

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Solution

The fourth proportional to 4,240.91, 6,361.97 and 1,319.51 is: 1,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.91 : 6,361.97 = 1,319.51 : x
  2. Step 2: Convert to fraction form
    4,240.91/6,361.97 = 1,319.51/x
  3. Step 3: Cross multiply
    4,240.91x = 6,361.97 × 1,319.51
  4. Step 4: Simplify right side
    4,240.91x = 8,394,644.63
  5. Step 5: Solve for x
    x = 8,394,644.63/4,240.91
  6. Step 6: Final answer
    x = 1,979.45

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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.