Home / 3,480.06-5,218.20-1,603.92

Finding the Fourth Proportional to 3,480.06, 5,218.20 and 1,603.92

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Solution

The fourth proportional to 3,480.06, 5,218.20 and 1,603.92 is: 2,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.06 : 5,218.20 = 1,603.92 : x
  2. Step 2: Convert to fraction form
    3,480.06/5,218.20 = 1,603.92/x
  3. Step 3: Cross multiply
    3,480.06x = 5,218.20 × 1,603.92
  4. Step 4: Simplify right side
    3,480.06x = 8,369,575.34
  5. Step 5: Solve for x
    x = 8,369,575.34/3,480.06
  6. Step 6: Final answer
    x = 2,405.01

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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.