Home / 2,202.58-3,039.54-1,207.86

Finding the Fourth Proportional to 2,202.58, 3,039.54 and 1,207.86

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Solution

The fourth proportional to 2,202.58, 3,039.54 and 1,207.86 is: 1,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.58 : 3,039.54 = 1,207.86 : x
  2. Step 2: Convert to fraction form
    2,202.58/3,039.54 = 1,207.86/x
  3. Step 3: Cross multiply
    2,202.58x = 3,039.54 × 1,207.86
  4. Step 4: Simplify right side
    2,202.58x = 3,671,338.78
  5. Step 5: Solve for x
    x = 3,671,338.78/2,202.58
  6. Step 6: Final answer
    x = 1,666.84

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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.