Home / 3,094.38-4,270.32-1,915.56

Finding the Fourth Proportional to 3,094.38, 4,270.32 and 1,915.56

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Solution

The fourth proportional to 3,094.38, 4,270.32 and 1,915.56 is: 2,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.38 : 4,270.32 = 1,915.56 : x
  2. Step 2: Convert to fraction form
    3,094.38/4,270.32 = 1,915.56/x
  3. Step 3: Cross multiply
    3,094.38x = 4,270.32 × 1,915.56
  4. Step 4: Simplify right side
    3,094.38x = 8,180,054.18
  5. Step 5: Solve for x
    x = 8,180,054.18/3,094.38
  6. Step 6: Final answer
    x = 2,643.52

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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.