Home / 3,030.75-4,182.09-1,704.42

Finding the Fourth Proportional to 3,030.75, 4,182.09 and 1,704.42

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Solution

The fourth proportional to 3,030.75, 4,182.09 and 1,704.42 is: 2,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.75 : 4,182.09 = 1,704.42 : x
  2. Step 2: Convert to fraction form
    3,030.75/4,182.09 = 1,704.42/x
  3. Step 3: Cross multiply
    3,030.75x = 4,182.09 × 1,704.42
  4. Step 4: Simplify right side
    3,030.75x = 7,128,037.84
  5. Step 5: Solve for x
    x = 7,128,037.84/3,030.75
  6. Step 6: Final answer
    x = 2,351.91

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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.