Home / 2,727.79-3,738.12-2,465.35

Finding the Fourth Proportional to 2,727.79, 3,738.12 and 2,465.35

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Solution

The fourth proportional to 2,727.79, 3,738.12 and 2,465.35 is: 3,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.79 : 3,738.12 = 2,465.35 : x
  2. Step 2: Convert to fraction form
    2,727.79/3,738.12 = 2,465.35/x
  3. Step 3: Cross multiply
    2,727.79x = 3,738.12 × 2,465.35
  4. Step 4: Simplify right side
    2,727.79x = 9,215,774.14
  5. Step 5: Solve for x
    x = 9,215,774.14/2,727.79
  6. Step 6: Final answer
    x = 3,378.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.