Home / 3,100.44-4,280.70-2,054.28

Finding the Fourth Proportional to 3,100.44, 4,280.70 and 2,054.28

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Solution

The fourth proportional to 3,100.44, 4,280.70 and 2,054.28 is: 2,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.44 : 4,280.70 = 2,054.28 : x
  2. Step 2: Convert to fraction form
    3,100.44/4,280.70 = 2,054.28/x
  3. Step 3: Cross multiply
    3,100.44x = 4,280.70 × 2,054.28
  4. Step 4: Simplify right side
    3,100.44x = 8,793,756.40
  5. Step 5: Solve for x
    x = 8,793,756.40/3,100.44
  6. Step 6: Final answer
    x = 2,836.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.