Home / 3,455.95-4,769.34-1,964.12

Finding the Fourth Proportional to 3,455.95, 4,769.34 and 1,964.12

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Solution

The fourth proportional to 3,455.95, 4,769.34 and 1,964.12 is: 2,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.95 : 4,769.34 = 1,964.12 : x
  2. Step 2: Convert to fraction form
    3,455.95/4,769.34 = 1,964.12/x
  3. Step 3: Cross multiply
    3,455.95x = 4,769.34 × 1,964.12
  4. Step 4: Simplify right side
    3,455.95x = 9,367,556.08
  5. Step 5: Solve for x
    x = 9,367,556.08/3,455.95
  6. Step 6: Final answer
    x = 2,710.56

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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.