Home / 3,179.30-4,745.56-2,956.46

Finding the Fourth Proportional to 3,179.30, 4,745.56 and 2,956.46

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Solution

The fourth proportional to 3,179.30, 4,745.56 and 2,956.46 is: 4,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.30 : 4,745.56 = 2,956.46 : x
  2. Step 2: Convert to fraction form
    3,179.30/4,745.56 = 2,956.46/x
  3. Step 3: Cross multiply
    3,179.30x = 4,745.56 × 2,956.46
  4. Step 4: Simplify right side
    3,179.30x = 14,030,019.81
  5. Step 5: Solve for x
    x = 14,030,019.81/3,179.30
  6. Step 6: Final answer
    x = 4,412.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.