Home / 3,094.40-4,270.08-2,846.72

Finding the Fourth Proportional to 3,094.40, 4,270.08 and 2,846.72

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Solution

The fourth proportional to 3,094.40, 4,270.08 and 2,846.72 is: 3,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.40 : 4,270.08 = 2,846.72 : x
  2. Step 2: Convert to fraction form
    3,094.40/4,270.08 = 2,846.72/x
  3. Step 3: Cross multiply
    3,094.40x = 4,270.08 × 2,846.72
  4. Step 4: Simplify right side
    3,094.40x = 12,155,722.14
  5. Step 5: Solve for x
    x = 12,155,722.14/3,094.40
  6. Step 6: Final answer
    x = 3,928.30

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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.