Home / 3,064.14-4,222.77-2,178.41

Finding the Fourth Proportional to 3,064.14, 4,222.77 and 2,178.41

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Solution

The fourth proportional to 3,064.14, 4,222.77 and 2,178.41 is: 3,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.14 : 4,222.77 = 2,178.41 : x
  2. Step 2: Convert to fraction form
    3,064.14/4,222.77 = 2,178.41/x
  3. Step 3: Cross multiply
    3,064.14x = 4,222.77 × 2,178.41
  4. Step 4: Simplify right side
    3,064.14x = 9,198,895.11
  5. Step 5: Solve for x
    x = 9,198,895.11/3,064.14
  6. Step 6: Final answer
    x = 3,002.11

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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.