Home / 3,094.27-4,270.53-1,915.72

Finding the Fourth Proportional to 3,094.27, 4,270.53 and 1,915.72

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Solution

The fourth proportional to 3,094.27, 4,270.53 and 1,915.72 is: 2,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.27 : 4,270.53 = 1,915.72 : x
  2. Step 2: Convert to fraction form
    3,094.27/4,270.53 = 1,915.72/x
  3. Step 3: Cross multiply
    3,094.27x = 4,270.53 × 1,915.72
  4. Step 4: Simplify right side
    3,094.27x = 8,181,139.73
  5. Step 5: Solve for x
    x = 8,181,139.73/3,094.27
  6. Step 6: Final answer
    x = 2,643.96

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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.