Home / 2,200.10-3,036.14-1,205.36

Finding the Fourth Proportional to 2,200.10, 3,036.14 and 1,205.36

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Solution

The fourth proportional to 2,200.10, 3,036.14 and 1,205.36 is: 1,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.10 : 3,036.14 = 1,205.36 : x
  2. Step 2: Convert to fraction form
    2,200.10/3,036.14 = 1,205.36/x
  3. Step 3: Cross multiply
    2,200.10x = 3,036.14 × 1,205.36
  4. Step 4: Simplify right side
    2,200.10x = 3,659,620.50
  5. Step 5: Solve for x
    x = 3,659,620.50/2,200.10
  6. Step 6: Final answer
    x = 1,663.39

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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.