Home / 3,021.72-4,169.64-1,695.12

Finding the Fourth Proportional to 3,021.72, 4,169.64 and 1,695.12

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Solution

The fourth proportional to 3,021.72, 4,169.64 and 1,695.12 is: 2,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.72 : 4,169.64 = 1,695.12 : x
  2. Step 2: Convert to fraction form
    3,021.72/4,169.64 = 1,695.12/x
  3. Step 3: Cross multiply
    3,021.72x = 4,169.64 × 1,695.12
  4. Step 4: Simplify right side
    3,021.72x = 7,068,040.16
  5. Step 5: Solve for x
    x = 7,068,040.16/3,021.72
  6. Step 6: Final answer
    x = 2,339.08

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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.