Home / 3,755.60-5,633.40-3,690.80

Finding the Fourth Proportional to 3,755.60, 5,633.40 and 3,690.80

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Solution

The fourth proportional to 3,755.60, 5,633.40 and 3,690.80 is: 5,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.60 : 5,633.40 = 3,690.80 : x
  2. Step 2: Convert to fraction form
    3,755.60/5,633.40 = 3,690.80/x
  3. Step 3: Cross multiply
    3,755.60x = 5,633.40 × 3,690.80
  4. Step 4: Simplify right side
    3,755.60x = 20,791,752.72
  5. Step 5: Solve for x
    x = 20,791,752.72/3,755.60
  6. Step 6: Final answer
    x = 5,536.20

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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.