Home / 3,017.02-4,163.58-1,690.90

Finding the Fourth Proportional to 3,017.02, 4,163.58 and 1,690.90

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Solution

The fourth proportional to 3,017.02, 4,163.58 and 1,690.90 is: 2,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.02 : 4,163.58 = 1,690.90 : x
  2. Step 2: Convert to fraction form
    3,017.02/4,163.58 = 1,690.90/x
  3. Step 3: Cross multiply
    3,017.02x = 4,163.58 × 1,690.90
  4. Step 4: Simplify right side
    3,017.02x = 7,040,197.42
  5. Step 5: Solve for x
    x = 7,040,197.42/3,017.02
  6. Step 6: Final answer
    x = 2,333.49

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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.