Home / 3,387.40-4,673.80-2,043.64

Finding the Fourth Proportional to 3,387.40, 4,673.80 and 2,043.64

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Solution

The fourth proportional to 3,387.40, 4,673.80 and 2,043.64 is: 2,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.40 : 4,673.80 = 2,043.64 : x
  2. Step 2: Convert to fraction form
    3,387.40/4,673.80 = 2,043.64/x
  3. Step 3: Cross multiply
    3,387.40x = 4,673.80 × 2,043.64
  4. Step 4: Simplify right side
    3,387.40x = 9,551,564.63
  5. Step 5: Solve for x
    x = 9,551,564.63/3,387.40
  6. Step 6: Final answer
    x = 2,819.73

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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.