Home / 2,551.38-3,515.49-2,054.58

Finding the Fourth Proportional to 2,551.38, 3,515.49 and 2,054.58

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Solution

The fourth proportional to 2,551.38, 3,515.49 and 2,054.58 is: 2,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.38 : 3,515.49 = 2,054.58 : x
  2. Step 2: Convert to fraction form
    2,551.38/3,515.49 = 2,054.58/x
  3. Step 3: Cross multiply
    2,551.38x = 3,515.49 × 2,054.58
  4. Step 4: Simplify right side
    2,551.38x = 7,222,855.44
  5. Step 5: Solve for x
    x = 7,222,855.44/2,551.38
  6. Step 6: Final answer
    x = 2,830.96

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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.