Home / 3,016.65-4,162.77-1,690.41

Finding the Fourth Proportional to 3,016.65, 4,162.77 and 1,690.41

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Solution

The fourth proportional to 3,016.65, 4,162.77 and 1,690.41 is: 2,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.65 : 4,162.77 = 1,690.41 : x
  2. Step 2: Convert to fraction form
    3,016.65/4,162.77 = 1,690.41/x
  3. Step 3: Cross multiply
    3,016.65x = 4,162.77 × 1,690.41
  4. Step 4: Simplify right side
    3,016.65x = 7,036,788.04
  5. Step 5: Solve for x
    x = 7,036,788.04/3,016.65
  6. Step 6: Final answer
    x = 2,332.65

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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.