Home / 3,365.28-4,644.40-1,949.48

Finding the Fourth Proportional to 3,365.28, 4,644.40 and 1,949.48

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Solution

The fourth proportional to 3,365.28, 4,644.40 and 1,949.48 is: 2,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.28 : 4,644.40 = 1,949.48 : x
  2. Step 2: Convert to fraction form
    3,365.28/4,644.40 = 1,949.48/x
  3. Step 3: Cross multiply
    3,365.28x = 4,644.40 × 1,949.48
  4. Step 4: Simplify right side
    3,365.28x = 9,054,164.91
  5. Step 5: Solve for x
    x = 9,054,164.91/3,365.28
  6. Step 6: Final answer
    x = 2,690.46

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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.