Home / 3,094.87-4,271.74-1,915.27

Finding the Fourth Proportional to 3,094.87, 4,271.74 and 1,915.27

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Solution

The fourth proportional to 3,094.87, 4,271.74 and 1,915.27 is: 2,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.87 : 4,271.74 = 1,915.27 : x
  2. Step 2: Convert to fraction form
    3,094.87/4,271.74 = 1,915.27/x
  3. Step 3: Cross multiply
    3,094.87x = 4,271.74 × 1,915.27
  4. Step 4: Simplify right side
    3,094.87x = 8,181,504.53
  5. Step 5: Solve for x
    x = 8,181,504.53/3,094.87
  6. Step 6: Final answer
    x = 2,643.57

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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.