Home / 3,393.60-4,682.79-1,901.31

Finding the Fourth Proportional to 3,393.60, 4,682.79 and 1,901.31

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Solution

The fourth proportional to 3,393.60, 4,682.79 and 1,901.31 is: 2,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.60 : 4,682.79 = 1,901.31 : x
  2. Step 2: Convert to fraction form
    3,393.60/4,682.79 = 1,901.31/x
  3. Step 3: Cross multiply
    3,393.60x = 4,682.79 × 1,901.31
  4. Step 4: Simplify right side
    3,393.60x = 8,903,435.45
  5. Step 5: Solve for x
    x = 8,903,435.45/3,393.60
  6. Step 6: Final answer
    x = 2,623.60

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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.