Home / 3,915.44-5,402.64-2,588.43

Finding the Fourth Proportional to 3,915.44, 5,402.64 and 2,588.43

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Solution

The fourth proportional to 3,915.44, 5,402.64 and 2,588.43 is: 3,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.44 : 5,402.64 = 2,588.43 : x
  2. Step 2: Convert to fraction form
    3,915.44/5,402.64 = 2,588.43/x
  3. Step 3: Cross multiply
    3,915.44x = 5,402.64 × 2,588.43
  4. Step 4: Simplify right side
    3,915.44x = 13,984,355.46
  5. Step 5: Solve for x
    x = 13,984,355.46/3,915.44
  6. Step 6: Final answer
    x = 3,571.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.