Home / 3,602.32-5,403.88-1,961.26

Finding the Fourth Proportional to 3,602.32, 5,403.88 and 1,961.26

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Solution

The fourth proportional to 3,602.32, 5,403.88 and 1,961.26 is: 2,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.32 : 5,403.88 = 1,961.26 : x
  2. Step 2: Convert to fraction form
    3,602.32/5,403.88 = 1,961.26/x
  3. Step 3: Cross multiply
    3,602.32x = 5,403.88 × 1,961.26
  4. Step 4: Simplify right side
    3,602.32x = 10,598,386.67
  5. Step 5: Solve for x
    x = 10,598,386.67/3,602.32
  6. Step 6: Final answer
    x = 2,942.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.