Home / 2,962.07-4,087.70-1,915.95

Finding the Fourth Proportional to 2,962.07, 4,087.70 and 1,915.95

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Solution

The fourth proportional to 2,962.07, 4,087.70 and 1,915.95 is: 2,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.07 : 4,087.70 = 1,915.95 : x
  2. Step 2: Convert to fraction form
    2,962.07/4,087.70 = 1,915.95/x
  3. Step 3: Cross multiply
    2,962.07x = 4,087.70 × 1,915.95
  4. Step 4: Simplify right side
    2,962.07x = 7,831,819.24
  5. Step 5: Solve for x
    x = 7,831,819.24/2,962.07
  6. Step 6: Final answer
    x = 2,644.04

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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.