Home / 3,022.15-4,170.52-1,677.75

Finding the Fourth Proportional to 3,022.15, 4,170.52 and 1,677.75

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Solution

The fourth proportional to 3,022.15, 4,170.52 and 1,677.75 is: 2,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.15 : 4,170.52 = 1,677.75 : x
  2. Step 2: Convert to fraction form
    3,022.15/4,170.52 = 1,677.75/x
  3. Step 3: Cross multiply
    3,022.15x = 4,170.52 × 1,677.75
  4. Step 4: Simplify right side
    3,022.15x = 6,997,111.58
  5. Step 5: Solve for x
    x = 6,997,111.58/3,022.15
  6. Step 6: Final answer
    x = 2,315.27

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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.