Home / 3,915.84-5,873.64-1,450.60

Finding the Fourth Proportional to 3,915.84, 5,873.64 and 1,450.60

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Solution

The fourth proportional to 3,915.84, 5,873.64 and 1,450.60 is: 2,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.84 : 5,873.64 = 1,450.60 : x
  2. Step 2: Convert to fraction form
    3,915.84/5,873.64 = 1,450.60/x
  3. Step 3: Cross multiply
    3,915.84x = 5,873.64 × 1,450.60
  4. Step 4: Simplify right side
    3,915.84x = 8,520,302.18
  5. Step 5: Solve for x
    x = 8,520,302.18/3,915.84
  6. Step 6: Final answer
    x = 2,175.86

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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.