Home / 3,515.14-4,847.75-2,916.68

Finding the Fourth Proportional to 3,515.14, 4,847.75 and 2,916.68

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Solution

The fourth proportional to 3,515.14, 4,847.75 and 2,916.68 is: 4,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.14 : 4,847.75 = 2,916.68 : x
  2. Step 2: Convert to fraction form
    3,515.14/4,847.75 = 2,916.68/x
  3. Step 3: Cross multiply
    3,515.14x = 4,847.75 × 2,916.68
  4. Step 4: Simplify right side
    3,515.14x = 14,139,360.79
  5. Step 5: Solve for x
    x = 14,139,360.79/3,515.14
  6. Step 6: Final answer
    x = 4,022.41

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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.