Home / 3,515.78-5,266.38-2,050.50

Finding the Fourth Proportional to 3,515.78, 5,266.38 and 2,050.50

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Solution

The fourth proportional to 3,515.78, 5,266.38 and 2,050.50 is: 3,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.78 : 5,266.38 = 2,050.50 : x
  2. Step 2: Convert to fraction form
    3,515.78/5,266.38 = 2,050.50/x
  3. Step 3: Cross multiply
    3,515.78x = 5,266.38 × 2,050.50
  4. Step 4: Simplify right side
    3,515.78x = 10,798,712.19
  5. Step 5: Solve for x
    x = 10,798,712.19/3,515.78
  6. Step 6: Final answer
    x = 3,071.50

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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.