Home / 3,453.50-4,763.70-2,108.51

Finding the Fourth Proportional to 3,453.50, 4,763.70 and 2,108.51

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Solution

The fourth proportional to 3,453.50, 4,763.70 and 2,108.51 is: 2,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.50 : 4,763.70 = 2,108.51 : x
  2. Step 2: Convert to fraction form
    3,453.50/4,763.70 = 2,108.51/x
  3. Step 3: Cross multiply
    3,453.50x = 4,763.70 × 2,108.51
  4. Step 4: Simplify right side
    3,453.50x = 10,044,309.09
  5. Step 5: Solve for x
    x = 10,044,309.09/3,453.50
  6. Step 6: Final answer
    x = 2,908.44

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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.