Home / 3,178.70-4,756.96-2,426.92

Finding the Fourth Proportional to 3,178.70, 4,756.96 and 2,426.92

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Solution

The fourth proportional to 3,178.70, 4,756.96 and 2,426.92 is: 3,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.70 : 4,756.96 = 2,426.92 : x
  2. Step 2: Convert to fraction form
    3,178.70/4,756.96 = 2,426.92/x
  3. Step 3: Cross multiply
    3,178.70x = 4,756.96 × 2,426.92
  4. Step 4: Simplify right side
    3,178.70x = 11,544,761.36
  5. Step 5: Solve for x
    x = 11,544,761.36/3,178.70
  6. Step 6: Final answer
    x = 3,631.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.