Home / 3,941.84-5,909.88-1,475.12

Finding the Fourth Proportional to 3,941.84, 5,909.88 and 1,475.12

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Solution

The fourth proportional to 3,941.84, 5,909.88 and 1,475.12 is: 2,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.84 : 5,909.88 = 1,475.12 : x
  2. Step 2: Convert to fraction form
    3,941.84/5,909.88 = 1,475.12/x
  3. Step 3: Cross multiply
    3,941.84x = 5,909.88 × 1,475.12
  4. Step 4: Simplify right side
    3,941.84x = 8,717,782.19
  5. Step 5: Solve for x
    x = 8,717,782.19/3,941.84
  6. Step 6: Final answer
    x = 2,211.60

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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.