Home / 3,043.57-4,563.43-1,287.67

Finding the Fourth Proportional to 3,043.57, 4,563.43 and 1,287.67

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Solution

The fourth proportional to 3,043.57, 4,563.43 and 1,287.67 is: 1,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.57 : 4,563.43 = 1,287.67 : x
  2. Step 2: Convert to fraction form
    3,043.57/4,563.43 = 1,287.67/x
  3. Step 3: Cross multiply
    3,043.57x = 4,563.43 × 1,287.67
  4. Step 4: Simplify right side
    3,043.57x = 5,876,191.91
  5. Step 5: Solve for x
    x = 5,876,191.91/3,043.57
  6. Step 6: Final answer
    x = 1,930.69

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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.