Home / 2,202.69-3,039.64-1,207.95

Finding the Fourth Proportional to 2,202.69, 3,039.64 and 1,207.95

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Solution

The fourth proportional to 2,202.69, 3,039.64 and 1,207.95 is: 1,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.69 : 3,039.64 = 1,207.95 : x
  2. Step 2: Convert to fraction form
    2,202.69/3,039.64 = 1,207.95/x
  3. Step 3: Cross multiply
    2,202.69x = 3,039.64 × 1,207.95
  4. Step 4: Simplify right side
    2,202.69x = 3,671,725.51
  5. Step 5: Solve for x
    x = 3,671,725.51/2,202.69
  6. Step 6: Final answer
    x = 1,666.93

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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.