Home / 3,528.09-4,891.05-3,340.84

Finding the Fourth Proportional to 3,528.09, 4,891.05 and 3,340.84

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Solution

The fourth proportional to 3,528.09, 4,891.05 and 3,340.84 is: 4,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.09 : 4,891.05 = 3,340.84 : x
  2. Step 2: Convert to fraction form
    3,528.09/4,891.05 = 3,340.84/x
  3. Step 3: Cross multiply
    3,528.09x = 4,891.05 × 3,340.84
  4. Step 4: Simplify right side
    3,528.09x = 16,340,191.03
  5. Step 5: Solve for x
    x = 16,340,191.03/3,528.09
  6. Step 6: Final answer
    x = 4,631.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.