Home / 2,912.84-4,364.68-1,156.90

Finding the Fourth Proportional to 2,912.84, 4,364.68 and 1,156.90

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Solution

The fourth proportional to 2,912.84, 4,364.68 and 1,156.90 is: 1,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.84 : 4,364.68 = 1,156.90 : x
  2. Step 2: Convert to fraction form
    2,912.84/4,364.68 = 1,156.90/x
  3. Step 3: Cross multiply
    2,912.84x = 4,364.68 × 1,156.90
  4. Step 4: Simplify right side
    2,912.84x = 5,049,498.29
  5. Step 5: Solve for x
    x = 5,049,498.29/2,912.84
  6. Step 6: Final answer
    x = 1,733.53

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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.