Home / 3,016.08-4,162.19-1,689.80

Finding the Fourth Proportional to 3,016.08, 4,162.19 and 1,689.80

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Solution

The fourth proportional to 3,016.08, 4,162.19 and 1,689.80 is: 2,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.08 : 4,162.19 = 1,689.80 : x
  2. Step 2: Convert to fraction form
    3,016.08/4,162.19 = 1,689.80/x
  3. Step 3: Cross multiply
    3,016.08x = 4,162.19 × 1,689.80
  4. Step 4: Simplify right side
    3,016.08x = 7,033,239.40
  5. Step 5: Solve for x
    x = 7,033,239.40/3,016.08
  6. Step 6: Final answer
    x = 2,331.91

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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.