Home / 2,528.70-3,489.72-1,394.44

Finding the Fourth Proportional to 2,528.70, 3,489.72 and 1,394.44

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Solution

The fourth proportional to 2,528.70, 3,489.72 and 1,394.44 is: 1,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.70 : 3,489.72 = 1,394.44 : x
  2. Step 2: Convert to fraction form
    2,528.70/3,489.72 = 1,394.44/x
  3. Step 3: Cross multiply
    2,528.70x = 3,489.72 × 1,394.44
  4. Step 4: Simplify right side
    2,528.70x = 4,866,205.16
  5. Step 5: Solve for x
    x = 4,866,205.16/2,528.70
  6. Step 6: Final answer
    x = 1,924.39

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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.