Home / 2,199.05-3,034.65-1,204.32

Finding the Fourth Proportional to 2,199.05, 3,034.65 and 1,204.32

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Solution

The fourth proportional to 2,199.05, 3,034.65 and 1,204.32 is: 1,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.05 : 3,034.65 = 1,204.32 : x
  2. Step 2: Convert to fraction form
    2,199.05/3,034.65 = 1,204.32/x
  3. Step 3: Cross multiply
    2,199.05x = 3,034.65 × 1,204.32
  4. Step 4: Simplify right side
    2,199.05x = 3,654,705.58
  5. Step 5: Solve for x
    x = 3,654,705.58/2,199.05
  6. Step 6: Final answer
    x = 1,661.95

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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.