Home / 3,021.90-4,170.24-1,695.66

Finding the Fourth Proportional to 3,021.90, 4,170.24 and 1,695.66

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Solution

The fourth proportional to 3,021.90, 4,170.24 and 1,695.66 is: 2,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.90 : 4,170.24 = 1,695.66 : x
  2. Step 2: Convert to fraction form
    3,021.90/4,170.24 = 1,695.66/x
  3. Step 3: Cross multiply
    3,021.90x = 4,170.24 × 1,695.66
  4. Step 4: Simplify right side
    3,021.90x = 7,071,309.16
  5. Step 5: Solve for x
    x = 7,071,309.16/3,021.90
  6. Step 6: Final answer
    x = 2,340.02

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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.