Home / 3,017.22-4,163.47-1,690.64

Finding the Fourth Proportional to 3,017.22, 4,163.47 and 1,690.64

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Solution

The fourth proportional to 3,017.22, 4,163.47 and 1,690.64 is: 2,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.22 : 4,163.47 = 1,690.64 : x
  2. Step 2: Convert to fraction form
    3,017.22/4,163.47 = 1,690.64/x
  3. Step 3: Cross multiply
    3,017.22x = 4,163.47 × 1,690.64
  4. Step 4: Simplify right side
    3,017.22x = 7,038,928.92
  5. Step 5: Solve for x
    x = 7,038,928.92/3,017.22
  6. Step 6: Final answer
    x = 2,332.92

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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.