Home / 3,400.59-4,692.75-1,908.39

Finding the Fourth Proportional to 3,400.59, 4,692.75 and 1,908.39

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Solution

The fourth proportional to 3,400.59, 4,692.75 and 1,908.39 is: 2,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.59 : 4,692.75 = 1,908.39 : x
  2. Step 2: Convert to fraction form
    3,400.59/4,692.75 = 1,908.39/x
  3. Step 3: Cross multiply
    3,400.59x = 4,692.75 × 1,908.39
  4. Step 4: Simplify right side
    3,400.59x = 8,955,564.17
  5. Step 5: Solve for x
    x = 8,955,564.17/3,400.59
  6. Step 6: Final answer
    x = 2,633.54

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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.