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Finding the Fourth Proportional to 3,943.44, 5,915.08 and 1,602.80

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Solution

The fourth proportional to 3,943.44, 5,915.08 and 1,602.80 is: 2,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.44 : 5,915.08 = 1,602.80 : x
  2. Step 2: Convert to fraction form
    3,943.44/5,915.08 = 1,602.80/x
  3. Step 3: Cross multiply
    3,943.44x = 5,915.08 × 1,602.80
  4. Step 4: Simplify right side
    3,943.44x = 9,480,690.22
  5. Step 5: Solve for x
    x = 9,480,690.22/3,943.44
  6. Step 6: Final answer
    x = 2,404.17

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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.