Home / 2,202.09-3,038.90-1,207.37

Finding the Fourth Proportional to 2,202.09, 3,038.90 and 1,207.37

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Solution

The fourth proportional to 2,202.09, 3,038.90 and 1,207.37 is: 1,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.09 : 3,038.90 = 1,207.37 : x
  2. Step 2: Convert to fraction form
    2,202.09/3,038.90 = 1,207.37/x
  3. Step 3: Cross multiply
    2,202.09x = 3,038.90 × 1,207.37
  4. Step 4: Simplify right side
    2,202.09x = 3,669,055.46
  5. Step 5: Solve for x
    x = 3,669,055.46/2,202.09
  6. Step 6: Final answer
    x = 1,666.17

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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.