Home / 3,535.86-4,878.78-2,043.42

Finding the Fourth Proportional to 3,535.86, 4,878.78 and 2,043.42

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Solution

The fourth proportional to 3,535.86, 4,878.78 and 2,043.42 is: 2,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.86 : 4,878.78 = 2,043.42 : x
  2. Step 2: Convert to fraction form
    3,535.86/4,878.78 = 2,043.42/x
  3. Step 3: Cross multiply
    3,535.86x = 4,878.78 × 2,043.42
  4. Step 4: Simplify right side
    3,535.86x = 9,969,396.63
  5. Step 5: Solve for x
    x = 9,969,396.63/3,535.86
  6. Step 6: Final answer
    x = 2,819.51

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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.