Home / 3,170.19-4,752.72-1,322.70

Finding the Fourth Proportional to 3,170.19, 4,752.72 and 1,322.70

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Solution

The fourth proportional to 3,170.19, 4,752.72 and 1,322.70 is: 1,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.19 : 4,752.72 = 1,322.70 : x
  2. Step 2: Convert to fraction form
    3,170.19/4,752.72 = 1,322.70/x
  3. Step 3: Cross multiply
    3,170.19x = 4,752.72 × 1,322.70
  4. Step 4: Simplify right side
    3,170.19x = 6,286,422.74
  5. Step 5: Solve for x
    x = 6,286,422.74/3,170.19
  6. Step 6: Final answer
    x = 1,982.98

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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.