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Finding the Fourth Proportional to 2,671.74, 3,683.30 and 2,302.65

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Solution

The fourth proportional to 2,671.74, 3,683.30 and 2,302.65 is: 3,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.74 : 3,683.30 = 2,302.65 : x
  2. Step 2: Convert to fraction form
    2,671.74/3,683.30 = 2,302.65/x
  3. Step 3: Cross multiply
    2,671.74x = 3,683.30 × 2,302.65
  4. Step 4: Simplify right side
    2,671.74x = 8,481,339.23
  5. Step 5: Solve for x
    x = 8,481,339.23/2,671.74
  6. Step 6: Final answer
    x = 3,174.46

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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.