Home / 3,538.64-5,307.60-941.84

Finding the Fourth Proportional to 3,538.64, 5,307.60 and 941.84

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Solution

The fourth proportional to 3,538.64, 5,307.60 and 941.84 is: 1,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.64 : 5,307.60 = 941.84 : x
  2. Step 2: Convert to fraction form
    3,538.64/5,307.60 = 941.84/x
  3. Step 3: Cross multiply
    3,538.64x = 5,307.60 × 941.84
  4. Step 4: Simplify right side
    3,538.64x = 4,998,909.98
  5. Step 5: Solve for x
    x = 4,998,909.98/3,538.64
  6. Step 6: Final answer
    x = 1,412.66

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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.