Home / 3,354.74-4,626-2,157.35

Finding the Fourth Proportional to 3,354.74, 4,626 and 2,157.35

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Solution

The fourth proportional to 3,354.74, 4,626 and 2,157.35 is: 2,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.74 : 4,626 = 2,157.35 : x
  2. Step 2: Convert to fraction form
    3,354.74/4,626 = 2,157.35/x
  3. Step 3: Cross multiply
    3,354.74x = 4,626 × 2,157.35
  4. Step 4: Simplify right side
    3,354.74x = 9,979,877.97
  5. Step 5: Solve for x
    x = 9,979,877.97/3,354.74
  6. Step 6: Final answer
    x = 2,974.86

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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.