Home / 3,498.14-4,829.49-2,172.58

Finding the Fourth Proportional to 3,498.14, 4,829.49 and 2,172.58

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Solution

The fourth proportional to 3,498.14, 4,829.49 and 2,172.58 is: 2,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.14 : 4,829.49 = 2,172.58 : x
  2. Step 2: Convert to fraction form
    3,498.14/4,829.49 = 2,172.58/x
  3. Step 3: Cross multiply
    3,498.14x = 4,829.49 × 2,172.58
  4. Step 4: Simplify right side
    3,498.14x = 10,492,441.31
  5. Step 5: Solve for x
    x = 10,492,441.31/3,498.14
  6. Step 6: Final answer
    x = 2,999.43

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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.