Home / 3,017.19-4,163.93-1,690.99

Finding the Fourth Proportional to 3,017.19, 4,163.93 and 1,690.99

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Solution

The fourth proportional to 3,017.19, 4,163.93 and 1,690.99 is: 2,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.19 : 4,163.93 = 1,690.99 : x
  2. Step 2: Convert to fraction form
    3,017.19/4,163.93 = 1,690.99/x
  3. Step 3: Cross multiply
    3,017.19x = 4,163.93 × 1,690.99
  4. Step 4: Simplify right side
    3,017.19x = 7,041,151.47
  5. Step 5: Solve for x
    x = 7,041,151.47/3,017.19
  6. Step 6: Final answer
    x = 2,333.68

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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.