Home / 3,267.12-4,508.40-1,940.28

Finding the Fourth Proportional to 3,267.12, 4,508.40 and 1,940.28

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Solution

The fourth proportional to 3,267.12, 4,508.40 and 1,940.28 is: 2,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.12 : 4,508.40 = 1,940.28 : x
  2. Step 2: Convert to fraction form
    3,267.12/4,508.40 = 1,940.28/x
  3. Step 3: Cross multiply
    3,267.12x = 4,508.40 × 1,940.28
  4. Step 4: Simplify right side
    3,267.12x = 8,747,558.35
  5. Step 5: Solve for x
    x = 8,747,558.35/3,267.12
  6. Step 6: Final answer
    x = 2,677.45

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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.