Home / 2,515.35-3,768.74-1,636.52

Finding the Fourth Proportional to 2,515.35, 3,768.74 and 1,636.52

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Solution

The fourth proportional to 2,515.35, 3,768.74 and 1,636.52 is: 2,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.35 : 3,768.74 = 1,636.52 : x
  2. Step 2: Convert to fraction form
    2,515.35/3,768.74 = 1,636.52/x
  3. Step 3: Cross multiply
    2,515.35x = 3,768.74 × 1,636.52
  4. Step 4: Simplify right side
    2,515.35x = 6,167,603.63
  5. Step 5: Solve for x
    x = 6,167,603.63/2,515.35
  6. Step 6: Final answer
    x = 2,451.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.