Home / 2,845.84-3,925.20-1,799.32

Finding the Fourth Proportional to 2,845.84, 3,925.20 and 1,799.32

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Solution

The fourth proportional to 2,845.84, 3,925.20 and 1,799.32 is: 2,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.84 : 3,925.20 = 1,799.32 : x
  2. Step 2: Convert to fraction form
    2,845.84/3,925.20 = 1,799.32/x
  3. Step 3: Cross multiply
    2,845.84x = 3,925.20 × 1,799.32
  4. Step 4: Simplify right side
    2,845.84x = 7,062,690.86
  5. Step 5: Solve for x
    x = 7,062,690.86/2,845.84
  6. Step 6: Final answer
    x = 2,481.76

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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.