Home / 2,134-3,184.25-1,915.84

Finding the Fourth Proportional to 2,134, 3,184.25 and 1,915.84

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Solution

The fourth proportional to 2,134, 3,184.25 and 1,915.84 is: 2,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134 : 3,184.25 = 1,915.84 : x
  2. Step 2: Convert to fraction form
    2,134/3,184.25 = 1,915.84/x
  3. Step 3: Cross multiply
    2,134x = 3,184.25 × 1,915.84
  4. Step 4: Simplify right side
    2,134x = 6,100,513.52
  5. Step 5: Solve for x
    x = 6,100,513.52/2,134
  6. Step 6: Final answer
    x = 2,858.72

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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.