Home / 3,707.43-5,118.39-2,768.40

Finding the Fourth Proportional to 3,707.43, 5,118.39 and 2,768.40

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Solution

The fourth proportional to 3,707.43, 5,118.39 and 2,768.40 is: 3,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.43 : 5,118.39 = 2,768.40 : x
  2. Step 2: Convert to fraction form
    3,707.43/5,118.39 = 2,768.40/x
  3. Step 3: Cross multiply
    3,707.43x = 5,118.39 × 2,768.40
  4. Step 4: Simplify right side
    3,707.43x = 14,169,750.88
  5. Step 5: Solve for x
    x = 14,169,750.88/3,707.43
  6. Step 6: Final answer
    x = 3,821.99

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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.