Home / 3,016.51-4,162.66-1,690.65

Finding the Fourth Proportional to 3,016.51, 4,162.66 and 1,690.65

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Solution

The fourth proportional to 3,016.51, 4,162.66 and 1,690.65 is: 2,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.51 : 4,162.66 = 1,690.65 : x
  2. Step 2: Convert to fraction form
    3,016.51/4,162.66 = 1,690.65/x
  3. Step 3: Cross multiply
    3,016.51x = 4,162.66 × 1,690.65
  4. Step 4: Simplify right side
    3,016.51x = 7,037,596.90
  5. Step 5: Solve for x
    x = 7,037,596.90/3,016.51
  6. Step 6: Final answer
    x = 2,333.03

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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.