Home / 3,531.23-4,872.45-2,038.60

Finding the Fourth Proportional to 3,531.23, 4,872.45 and 2,038.60

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Solution

The fourth proportional to 3,531.23, 4,872.45 and 2,038.60 is: 2,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.23 : 4,872.45 = 2,038.60 : x
  2. Step 2: Convert to fraction form
    3,531.23/4,872.45 = 2,038.60/x
  3. Step 3: Cross multiply
    3,531.23x = 4,872.45 × 2,038.60
  4. Step 4: Simplify right side
    3,531.23x = 9,932,976.57
  5. Step 5: Solve for x
    x = 9,932,976.57/3,531.23
  6. Step 6: Final answer
    x = 2,812.89

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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.