Home / 3,017.34-4,163.78-1,691.03

Finding the Fourth Proportional to 3,017.34, 4,163.78 and 1,691.03

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Solution

The fourth proportional to 3,017.34, 4,163.78 and 1,691.03 is: 2,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.34 : 4,163.78 = 1,691.03 : x
  2. Step 2: Convert to fraction form
    3,017.34/4,163.78 = 1,691.03/x
  3. Step 3: Cross multiply
    3,017.34x = 4,163.78 × 1,691.03
  4. Step 4: Simplify right side
    3,017.34x = 7,041,047.62
  5. Step 5: Solve for x
    x = 7,041,047.62/3,017.34
  6. Step 6: Final answer
    x = 2,333.53

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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.