Home / 3,331.94-4,995.21-1,385.60

Finding the Fourth Proportional to 3,331.94, 4,995.21 and 1,385.60

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Solution

The fourth proportional to 3,331.94, 4,995.21 and 1,385.60 is: 2,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.94 : 4,995.21 = 1,385.60 : x
  2. Step 2: Convert to fraction form
    3,331.94/4,995.21 = 1,385.60/x
  3. Step 3: Cross multiply
    3,331.94x = 4,995.21 × 1,385.60
  4. Step 4: Simplify right side
    3,331.94x = 6,921,362.98
  5. Step 5: Solve for x
    x = 6,921,362.98/3,331.94
  6. Step 6: Final answer
    x = 2,077.28

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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.