Home / 3,690.04-5,524.45-3,430.55

Finding the Fourth Proportional to 3,690.04, 5,524.45 and 3,430.55

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Solution

The fourth proportional to 3,690.04, 5,524.45 and 3,430.55 is: 5,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.04 : 5,524.45 = 3,430.55 : x
  2. Step 2: Convert to fraction form
    3,690.04/5,524.45 = 3,430.55/x
  3. Step 3: Cross multiply
    3,690.04x = 5,524.45 × 3,430.55
  4. Step 4: Simplify right side
    3,690.04x = 18,951,901.95
  5. Step 5: Solve for x
    x = 18,951,901.95/3,690.04
  6. Step 6: Final answer
    x = 5,135.96

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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.