Home / 3,903.19-5,386.93-2,202.04

Finding the Fourth Proportional to 3,903.19, 5,386.93 and 2,202.04

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Solution

The fourth proportional to 3,903.19, 5,386.93 and 2,202.04 is: 3,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.19 : 5,386.93 = 2,202.04 : x
  2. Step 2: Convert to fraction form
    3,903.19/5,386.93 = 2,202.04/x
  3. Step 3: Cross multiply
    3,903.19x = 5,386.93 × 2,202.04
  4. Step 4: Simplify right side
    3,903.19x = 11,862,235.34
  5. Step 5: Solve for x
    x = 11,862,235.34/3,903.19
  6. Step 6: Final answer
    x = 3,039.11

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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.