Home / 3,604.86-5,399.55-2,430.90

Finding the Fourth Proportional to 3,604.86, 5,399.55 and 2,430.90

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Solution

The fourth proportional to 3,604.86, 5,399.55 and 2,430.90 is: 3,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.86 : 5,399.55 = 2,430.90 : x
  2. Step 2: Convert to fraction form
    3,604.86/5,399.55 = 2,430.90/x
  3. Step 3: Cross multiply
    3,604.86x = 5,399.55 × 2,430.90
  4. Step 4: Simplify right side
    3,604.86x = 13,125,766.10
  5. Step 5: Solve for x
    x = 13,125,766.10/3,604.86
  6. Step 6: Final answer
    x = 3,641.13

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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.