Home / 3,133.58-4,701.92-1,489.70

Finding the Fourth Proportional to 3,133.58, 4,701.92 and 1,489.70

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Solution

The fourth proportional to 3,133.58, 4,701.92 and 1,489.70 is: 2,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.58 : 4,701.92 = 1,489.70 : x
  2. Step 2: Convert to fraction form
    3,133.58/4,701.92 = 1,489.70/x
  3. Step 3: Cross multiply
    3,133.58x = 4,701.92 × 1,489.70
  4. Step 4: Simplify right side
    3,133.58x = 7,004,450.22
  5. Step 5: Solve for x
    x = 7,004,450.22/3,133.58
  6. Step 6: Final answer
    x = 2,235.29

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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.