Home / 3,012.07-4,517.96-1,256.40

Finding the Fourth Proportional to 3,012.07, 4,517.96 and 1,256.40

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Solution

The fourth proportional to 3,012.07, 4,517.96 and 1,256.40 is: 1,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.07 : 4,517.96 = 1,256.40 : x
  2. Step 2: Convert to fraction form
    3,012.07/4,517.96 = 1,256.40/x
  3. Step 3: Cross multiply
    3,012.07x = 4,517.96 × 1,256.40
  4. Step 4: Simplify right side
    3,012.07x = 5,676,364.94
  5. Step 5: Solve for x
    x = 5,676,364.94/3,012.07
  6. Step 6: Final answer
    x = 1,884.54

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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.