Home / 2,915.41-4,020.48-2,250.82

Finding the Fourth Proportional to 2,915.41, 4,020.48 and 2,250.82

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Solution

The fourth proportional to 2,915.41, 4,020.48 and 2,250.82 is: 3,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.41 : 4,020.48 = 2,250.82 : x
  2. Step 2: Convert to fraction form
    2,915.41/4,020.48 = 2,250.82/x
  3. Step 3: Cross multiply
    2,915.41x = 4,020.48 × 2,250.82
  4. Step 4: Simplify right side
    2,915.41x = 9,049,376.79
  5. Step 5: Solve for x
    x = 9,049,376.79/2,915.41
  6. Step 6: Final answer
    x = 3,103.98

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1.5x scale

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.