Home / 2,289.75-3,433.01-1,631.63

Finding the Fourth Proportional to 2,289.75, 3,433.01 and 1,631.63

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Solution

The fourth proportional to 2,289.75, 3,433.01 and 1,631.63 is: 2,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.75 : 3,433.01 = 1,631.63 : x
  2. Step 2: Convert to fraction form
    2,289.75/3,433.01 = 1,631.63/x
  3. Step 3: Cross multiply
    2,289.75x = 3,433.01 × 1,631.63
  4. Step 4: Simplify right side
    2,289.75x = 5,601,376.78
  5. Step 5: Solve for x
    x = 5,601,376.78/2,289.75
  6. Step 6: Final answer
    x = 2,446.28

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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.