Home / 3,603.45-5,402.55-2,430.54

Finding the Fourth Proportional to 3,603.45, 5,402.55 and 2,430.54

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Solution

The fourth proportional to 3,603.45, 5,402.55 and 2,430.54 is: 3,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.45 : 5,402.55 = 2,430.54 : x
  2. Step 2: Convert to fraction form
    3,603.45/5,402.55 = 2,430.54/x
  3. Step 3: Cross multiply
    3,603.45x = 5,402.55 × 2,430.54
  4. Step 4: Simplify right side
    3,603.45x = 13,131,113.88
  5. Step 5: Solve for x
    x = 13,131,113.88/3,603.45
  6. Step 6: Final answer
    x = 3,644.04

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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.