Home / 3,375.50-5,038.82-2,916.23

Finding the Fourth Proportional to 3,375.50, 5,038.82 and 2,916.23

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Solution

The fourth proportional to 3,375.50, 5,038.82 and 2,916.23 is: 4,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.50 : 5,038.82 = 2,916.23 : x
  2. Step 2: Convert to fraction form
    3,375.50/5,038.82 = 2,916.23/x
  3. Step 3: Cross multiply
    3,375.50x = 5,038.82 × 2,916.23
  4. Step 4: Simplify right side
    3,375.50x = 14,694,329.21
  5. Step 5: Solve for x
    x = 14,694,329.21/3,375.50
  6. Step 6: Final answer
    x = 4,353.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.