Home / 3,506.50-4,838.97-2,109.70

Finding the Fourth Proportional to 3,506.50, 4,838.97 and 2,109.70

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Solution

The fourth proportional to 3,506.50, 4,838.97 and 2,109.70 is: 2,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.50 : 4,838.97 = 2,109.70 : x
  2. Step 2: Convert to fraction form
    3,506.50/4,838.97 = 2,109.70/x
  3. Step 3: Cross multiply
    3,506.50x = 4,838.97 × 2,109.70
  4. Step 4: Simplify right side
    3,506.50x = 10,208,775.01
  5. Step 5: Solve for x
    x = 10,208,775.01/3,506.50
  6. Step 6: Final answer
    x = 2,911.39

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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.