Home / 3,412.19-4,698.91-2,963.86

Finding the Fourth Proportional to 3,412.19, 4,698.91 and 2,963.86

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Solution

The fourth proportional to 3,412.19, 4,698.91 and 2,963.86 is: 4,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.19 : 4,698.91 = 2,963.86 : x
  2. Step 2: Convert to fraction form
    3,412.19/4,698.91 = 2,963.86/x
  3. Step 3: Cross multiply
    3,412.19x = 4,698.91 × 2,963.86
  4. Step 4: Simplify right side
    3,412.19x = 13,926,903.35
  5. Step 5: Solve for x
    x = 13,926,903.35/3,412.19
  6. Step 6: Final answer
    x = 4,081.51

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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.