Home / 2,940.60-4,412.88-1,297.62

Finding the Fourth Proportional to 2,940.60, 4,412.88 and 1,297.62

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Solution

The fourth proportional to 2,940.60, 4,412.88 and 1,297.62 is: 1,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.60 : 4,412.88 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    2,940.60/4,412.88 = 1,297.62/x
  3. Step 3: Cross multiply
    2,940.60x = 4,412.88 × 1,297.62
  4. Step 4: Simplify right side
    2,940.60x = 5,726,241.35
  5. Step 5: Solve for x
    x = 5,726,241.35/2,940.60
  6. Step 6: Final answer
    x = 1,947.30

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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.