Home / 3,915.84-5,903.40-3,704.16

Finding the Fourth Proportional to 3,915.84, 5,903.40 and 3,704.16

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Solution

The fourth proportional to 3,915.84, 5,903.40 and 3,704.16 is: 5,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.84 : 5,903.40 = 3,704.16 : x
  2. Step 2: Convert to fraction form
    3,915.84/5,903.40 = 3,704.16/x
  3. Step 3: Cross multiply
    3,915.84x = 5,903.40 × 3,704.16
  4. Step 4: Simplify right side
    3,915.84x = 21,867,138.14
  5. Step 5: Solve for x
    x = 21,867,138.14/3,915.84
  6. Step 6: Final answer
    x = 5,584.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.