Home / 3,453.11-4,765.40-1,940.93

Finding the Fourth Proportional to 3,453.11, 4,765.40 and 1,940.93

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Solution

The fourth proportional to 3,453.11, 4,765.40 and 1,940.93 is: 2,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.11 : 4,765.40 = 1,940.93 : x
  2. Step 2: Convert to fraction form
    3,453.11/4,765.40 = 1,940.93/x
  3. Step 3: Cross multiply
    3,453.11x = 4,765.40 × 1,940.93
  4. Step 4: Simplify right side
    3,453.11x = 9,249,274.29
  5. Step 5: Solve for x
    x = 9,249,274.29/3,453.11
  6. Step 6: Final answer
    x = 2,678.54

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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.