Home / 3,170.85-4,757.30-1,527.51

Finding the Fourth Proportional to 3,170.85, 4,757.30 and 1,527.51

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Solution

The fourth proportional to 3,170.85, 4,757.30 and 1,527.51 is: 2,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.85 : 4,757.30 = 1,527.51 : x
  2. Step 2: Convert to fraction form
    3,170.85/4,757.30 = 1,527.51/x
  3. Step 3: Cross multiply
    3,170.85x = 4,757.30 × 1,527.51
  4. Step 4: Simplify right side
    3,170.85x = 7,266,815.69
  5. Step 5: Solve for x
    x = 7,266,815.69/3,170.85
  6. Step 6: Final answer
    x = 2,291.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.