Home / 1,915.26-2,890.11-1,846.62

Finding the Fourth Proportional to 1,915.26, 2,890.11 and 1,846.62

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Solution

The fourth proportional to 1,915.26, 2,890.11 and 1,846.62 is: 2,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.26 : 2,890.11 = 1,846.62 : x
  2. Step 2: Convert to fraction form
    1,915.26/2,890.11 = 1,846.62/x
  3. Step 3: Cross multiply
    1,915.26x = 2,890.11 × 1,846.62
  4. Step 4: Simplify right side
    1,915.26x = 5,336,934.93
  5. Step 5: Solve for x
    x = 5,336,934.93/1,915.26
  6. Step 6: Final answer
    x = 2,786.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.