Home / 3,017.23-4,163.55-1,690.68

Finding the Fourth Proportional to 3,017.23, 4,163.55 and 1,690.68

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Solution

The fourth proportional to 3,017.23, 4,163.55 and 1,690.68 is: 2,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.23 : 4,163.55 = 1,690.68 : x
  2. Step 2: Convert to fraction form
    3,017.23/4,163.55 = 1,690.68/x
  3. Step 3: Cross multiply
    3,017.23x = 4,163.55 × 1,690.68
  4. Step 4: Simplify right side
    3,017.23x = 7,039,230.71
  5. Step 5: Solve for x
    x = 7,039,230.71/3,017.23
  6. Step 6: Final answer
    x = 2,333.01

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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.