Home / 2,923.41-4,381.57-2,146.71

Finding the Fourth Proportional to 2,923.41, 4,381.57 and 2,146.71

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Solution

The fourth proportional to 2,923.41, 4,381.57 and 2,146.71 is: 3,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.41 : 4,381.57 = 2,146.71 : x
  2. Step 2: Convert to fraction form
    2,923.41/4,381.57 = 2,146.71/x
  3. Step 3: Cross multiply
    2,923.41x = 4,381.57 × 2,146.71
  4. Step 4: Simplify right side
    2,923.41x = 9,405,960.13
  5. Step 5: Solve for x
    x = 9,405,960.13/2,923.41
  6. Step 6: Final answer
    x = 3,217.46

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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.