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Finding the Fourth Proportional to 3,941.03, 5,915.28 and 2,897.86

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Solution

The fourth proportional to 3,941.03, 5,915.28 and 2,897.86 is: 4,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.03 : 5,915.28 = 2,897.86 : x
  2. Step 2: Convert to fraction form
    3,941.03/5,915.28 = 2,897.86/x
  3. Step 3: Cross multiply
    3,941.03x = 5,915.28 × 2,897.86
  4. Step 4: Simplify right side
    3,941.03x = 17,141,609.24
  5. Step 5: Solve for x
    x = 17,141,609.24/3,941.03
  6. Step 6: Final answer
    x = 4,349.53

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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.