Home / 3,531.24-4,855.68-3,137.58

Finding the Fourth Proportional to 3,531.24, 4,855.68 and 3,137.58

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Solution

The fourth proportional to 3,531.24, 4,855.68 and 3,137.58 is: 4,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.24 : 4,855.68 = 3,137.58 : x
  2. Step 2: Convert to fraction form
    3,531.24/4,855.68 = 3,137.58/x
  3. Step 3: Cross multiply
    3,531.24x = 4,855.68 × 3,137.58
  4. Step 4: Simplify right side
    3,531.24x = 15,235,084.45
  5. Step 5: Solve for x
    x = 15,235,084.45/3,531.24
  6. Step 6: Final answer
    x = 4,314.37

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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.