Home / 3,209.96-4,814.97-1,018.70

Finding the Fourth Proportional to 3,209.96, 4,814.97 and 1,018.70

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Solution

The fourth proportional to 3,209.96, 4,814.97 and 1,018.70 is: 1,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.96 : 4,814.97 = 1,018.70 : x
  2. Step 2: Convert to fraction form
    3,209.96/4,814.97 = 1,018.70/x
  3. Step 3: Cross multiply
    3,209.96x = 4,814.97 × 1,018.70
  4. Step 4: Simplify right side
    3,209.96x = 4,905,009.94
  5. Step 5: Solve for x
    x = 4,905,009.94/3,209.96
  6. Step 6: Final answer
    x = 1,528.06

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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.