Home / 3,436.99-4,743.15-1,865.09

Finding the Fourth Proportional to 3,436.99, 4,743.15 and 1,865.09

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Solution

The fourth proportional to 3,436.99, 4,743.15 and 1,865.09 is: 2,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.99 : 4,743.15 = 1,865.09 : x
  2. Step 2: Convert to fraction form
    3,436.99/4,743.15 = 1,865.09/x
  3. Step 3: Cross multiply
    3,436.99x = 4,743.15 × 1,865.09
  4. Step 4: Simplify right side
    3,436.99x = 8,846,401.63
  5. Step 5: Solve for x
    x = 8,846,401.63/3,436.99
  6. Step 6: Final answer
    x = 2,573.88

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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.