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Finding the Fourth Proportional to 3,159, 4,344.84 and 2,765.34

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Solution

The fourth proportional to 3,159, 4,344.84 and 2,765.34 is: 3,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159 : 4,344.84 = 2,765.34 : x
  2. Step 2: Convert to fraction form
    3,159/4,344.84 = 2,765.34/x
  3. Step 3: Cross multiply
    3,159x = 4,344.84 × 2,765.34
  4. Step 4: Simplify right side
    3,159x = 12,014,959.85
  5. Step 5: Solve for x
    x = 12,014,959.85/3,159
  6. Step 6: Final answer
    x = 3,803.41

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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.