Home / 2,671.37-4,012.23-2,178.14

Finding the Fourth Proportional to 2,671.37, 4,012.23 and 2,178.14

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Solution

The fourth proportional to 2,671.37, 4,012.23 and 2,178.14 is: 3,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.37 : 4,012.23 = 2,178.14 : x
  2. Step 2: Convert to fraction form
    2,671.37/4,012.23 = 2,178.14/x
  3. Step 3: Cross multiply
    2,671.37x = 4,012.23 × 2,178.14
  4. Step 4: Simplify right side
    2,671.37x = 8,739,178.59
  5. Step 5: Solve for x
    x = 8,739,178.59/2,671.37
  6. Step 6: Final answer
    x = 3,271.43

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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.