Home / 3,022.10-4,170.21-1,695.50

Finding the Fourth Proportional to 3,022.10, 4,170.21 and 1,695.50

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Solution

The fourth proportional to 3,022.10, 4,170.21 and 1,695.50 is: 2,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.10 : 4,170.21 = 1,695.50 : x
  2. Step 2: Convert to fraction form
    3,022.10/4,170.21 = 1,695.50/x
  3. Step 3: Cross multiply
    3,022.10x = 4,170.21 × 1,695.50
  4. Step 4: Simplify right side
    3,022.10x = 7,070,591.06
  5. Step 5: Solve for x
    x = 7,070,591.06/3,022.10
  6. Step 6: Final answer
    x = 2,339.63

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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.