Home / 3,356.26-5,030.40-2,531.80

Finding the Fourth Proportional to 3,356.26, 5,030.40 and 2,531.80

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Solution

The fourth proportional to 3,356.26, 5,030.40 and 2,531.80 is: 3,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.26 : 5,030.40 = 2,531.80 : x
  2. Step 2: Convert to fraction form
    3,356.26/5,030.40 = 2,531.80/x
  3. Step 3: Cross multiply
    3,356.26x = 5,030.40 × 2,531.80
  4. Step 4: Simplify right side
    3,356.26x = 12,735,966.72
  5. Step 5: Solve for x
    x = 12,735,966.72/3,356.26
  6. Step 6: Final answer
    x = 3,794.69

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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.