Home / 3,515.48-4,849.60-3,265.32

Finding the Fourth Proportional to 3,515.48, 4,849.60 and 3,265.32

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Solution

The fourth proportional to 3,515.48, 4,849.60 and 3,265.32 is: 4,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.48 : 4,849.60 = 3,265.32 : x
  2. Step 2: Convert to fraction form
    3,515.48/4,849.60 = 3,265.32/x
  3. Step 3: Cross multiply
    3,515.48x = 4,849.60 × 3,265.32
  4. Step 4: Simplify right side
    3,515.48x = 15,835,495.87
  5. Step 5: Solve for x
    x = 15,835,495.87/3,515.48
  6. Step 6: Final answer
    x = 4,504.50

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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.