Home / 2,753.67-4,128.36-1,366.05

Finding the Fourth Proportional to 2,753.67, 4,128.36 and 1,366.05

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Solution

The fourth proportional to 2,753.67, 4,128.36 and 1,366.05 is: 2,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.67 : 4,128.36 = 1,366.05 : x
  2. Step 2: Convert to fraction form
    2,753.67/4,128.36 = 1,366.05/x
  3. Step 3: Cross multiply
    2,753.67x = 4,128.36 × 1,366.05
  4. Step 4: Simplify right side
    2,753.67x = 5,639,546.18
  5. Step 5: Solve for x
    x = 5,639,546.18/2,753.67
  6. Step 6: Final answer
    x = 2,048.01

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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.