Home / 3,211.40-4,794.10-2,983

Finding the Fourth Proportional to 3,211.40, 4,794.10 and 2,983

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Solution

The fourth proportional to 3,211.40, 4,794.10 and 2,983 is: 4,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.40 : 4,794.10 = 2,983 : x
  2. Step 2: Convert to fraction form
    3,211.40/4,794.10 = 2,983/x
  3. Step 3: Cross multiply
    3,211.40x = 4,794.10 × 2,983
  4. Step 4: Simplify right side
    3,211.40x = 14,300,800.30
  5. Step 5: Solve for x
    x = 14,300,800.30/3,211.40
  6. Step 6: Final answer
    x = 4,453.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.