Home / 3,513.60-4,855.68-2,883.15

Finding the Fourth Proportional to 3,513.60, 4,855.68 and 2,883.15

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Solution

The fourth proportional to 3,513.60, 4,855.68 and 2,883.15 is: 3,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.60 : 4,855.68 = 2,883.15 : x
  2. Step 2: Convert to fraction form
    3,513.60/4,855.68 = 2,883.15/x
  3. Step 3: Cross multiply
    3,513.60x = 4,855.68 × 2,883.15
  4. Step 4: Simplify right side
    3,513.60x = 13,999,653.79
  5. Step 5: Solve for x
    x = 13,999,653.79/3,513.60
  6. Step 6: Final answer
    x = 3,984.42

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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.