Home / 4,073.80-6,105.84-2,100.40

Finding the Fourth Proportional to 4,073.80, 6,105.84 and 2,100.40

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Solution

The fourth proportional to 4,073.80, 6,105.84 and 2,100.40 is: 3,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.80 : 6,105.84 = 2,100.40 : x
  2. Step 2: Convert to fraction form
    4,073.80/6,105.84 = 2,100.40/x
  3. Step 3: Cross multiply
    4,073.80x = 6,105.84 × 2,100.40
  4. Step 4: Simplify right side
    4,073.80x = 12,824,706.34
  5. Step 5: Solve for x
    x = 12,824,706.34/4,073.80
  6. Step 6: Final answer
    x = 3,148.09

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1.5x scale

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.