Home / 3,424.50-4,722.45-2,080.31

Finding the Fourth Proportional to 3,424.50, 4,722.45 and 2,080.31

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Solution

The fourth proportional to 3,424.50, 4,722.45 and 2,080.31 is: 2,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.50 : 4,722.45 = 2,080.31 : x
  2. Step 2: Convert to fraction form
    3,424.50/4,722.45 = 2,080.31/x
  3. Step 3: Cross multiply
    3,424.50x = 4,722.45 × 2,080.31
  4. Step 4: Simplify right side
    3,424.50x = 9,824,153.53
  5. Step 5: Solve for x
    x = 9,824,153.53/3,424.50
  6. Step 6: Final answer
    x = 2,868.78

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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.