Home / 1,915.52-2,849.97-1,909.04

Finding the Fourth Proportional to 1,915.52, 2,849.97 and 1,909.04

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Solution

The fourth proportional to 1,915.52, 2,849.97 and 1,909.04 is: 2,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.52 : 2,849.97 = 1,909.04 : x
  2. Step 2: Convert to fraction form
    1,915.52/2,849.97 = 1,909.04/x
  3. Step 3: Cross multiply
    1,915.52x = 2,849.97 × 1,909.04
  4. Step 4: Simplify right side
    1,915.52x = 5,440,697.18
  5. Step 5: Solve for x
    x = 5,440,697.18/1,915.52
  6. Step 6: Final answer
    x = 2,840.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.