Home / 3,605.18-5,404.08-2,289.89

Finding the Fourth Proportional to 3,605.18, 5,404.08 and 2,289.89

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Solution

The fourth proportional to 3,605.18, 5,404.08 and 2,289.89 is: 3,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.18 : 5,404.08 = 2,289.89 : x
  2. Step 2: Convert to fraction form
    3,605.18/5,404.08 = 2,289.89/x
  3. Step 3: Cross multiply
    3,605.18x = 5,404.08 × 2,289.89
  4. Step 4: Simplify right side
    3,605.18x = 12,374,721.73
  5. Step 5: Solve for x
    x = 12,374,721.73/3,605.18
  6. Step 6: Final answer
    x = 3,432.49

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1.5x scale

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.