Home / 4,111.97-6,171.12-1,648.35

Finding the Fourth Proportional to 4,111.97, 6,171.12 and 1,648.35

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Solution

The fourth proportional to 4,111.97, 6,171.12 and 1,648.35 is: 2,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.97 : 6,171.12 = 1,648.35 : x
  2. Step 2: Convert to fraction form
    4,111.97/6,171.12 = 1,648.35/x
  3. Step 3: Cross multiply
    4,111.97x = 6,171.12 × 1,648.35
  4. Step 4: Simplify right side
    4,111.97x = 10,172,165.65
  5. Step 5: Solve for x
    x = 10,172,165.65/4,111.97
  6. Step 6: Final answer
    x = 2,473.80

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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.