Home / 3,077.43-4,609.46-1,907.72

Finding the Fourth Proportional to 3,077.43, 4,609.46 and 1,907.72

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Solution

The fourth proportional to 3,077.43, 4,609.46 and 1,907.72 is: 2,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.43 : 4,609.46 = 1,907.72 : x
  2. Step 2: Convert to fraction form
    3,077.43/4,609.46 = 1,907.72/x
  3. Step 3: Cross multiply
    3,077.43x = 4,609.46 × 1,907.72
  4. Step 4: Simplify right side
    3,077.43x = 8,793,526.45
  5. Step 5: Solve for x
    x = 8,793,526.45/3,077.43
  6. Step 6: Final answer
    x = 2,857.43

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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.