Home / 4,120.20-5,682.69-2,702.34

Finding the Fourth Proportional to 4,120.20, 5,682.69 and 2,702.34

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Solution

The fourth proportional to 4,120.20, 5,682.69 and 2,702.34 is: 3,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.20 : 5,682.69 = 2,702.34 : x
  2. Step 2: Convert to fraction form
    4,120.20/5,682.69 = 2,702.34/x
  3. Step 3: Cross multiply
    4,120.20x = 5,682.69 × 2,702.34
  4. Step 4: Simplify right side
    4,120.20x = 15,356,560.49
  5. Step 5: Solve for x
    x = 15,356,560.49/4,120.20
  6. Step 6: Final answer
    x = 3,727.14

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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.