Home / 2,728.32-3,755.88-2,465.52

Finding the Fourth Proportional to 2,728.32, 3,755.88 and 2,465.52

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Solution

The fourth proportional to 2,728.32, 3,755.88 and 2,465.52 is: 3,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.32 : 3,755.88 = 2,465.52 : x
  2. Step 2: Convert to fraction form
    2,728.32/3,755.88 = 2,465.52/x
  3. Step 3: Cross multiply
    2,728.32x = 3,755.88 × 2,465.52
  4. Step 4: Simplify right side
    2,728.32x = 9,260,197.26
  5. Step 5: Solve for x
    x = 9,260,197.26/2,728.32
  6. Step 6: Final answer
    x = 3,394.10

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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.