Home / 3,400.16-4,692.21-1,984.82

Finding the Fourth Proportional to 3,400.16, 4,692.21 and 1,984.82

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Solution

The fourth proportional to 3,400.16, 4,692.21 and 1,984.82 is: 2,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.16 : 4,692.21 = 1,984.82 : x
  2. Step 2: Convert to fraction form
    3,400.16/4,692.21 = 1,984.82/x
  3. Step 3: Cross multiply
    3,400.16x = 4,692.21 × 1,984.82
  4. Step 4: Simplify right side
    3,400.16x = 9,313,192.25
  5. Step 5: Solve for x
    x = 9,313,192.25/3,400.16
  6. Step 6: Final answer
    x = 2,739.05

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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.