Home / 3,535.47-4,878.39-2,043.60

Finding the Fourth Proportional to 3,535.47, 4,878.39 and 2,043.60

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Solution

The fourth proportional to 3,535.47, 4,878.39 and 2,043.60 is: 2,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.47 : 4,878.39 = 2,043.60 : x
  2. Step 2: Convert to fraction form
    3,535.47/4,878.39 = 2,043.60/x
  3. Step 3: Cross multiply
    3,535.47x = 4,878.39 × 2,043.60
  4. Step 4: Simplify right side
    3,535.47x = 9,969,477.80
  5. Step 5: Solve for x
    x = 9,969,477.80/3,535.47
  6. Step 6: Final answer
    x = 2,819.85

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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.