Home / 3,633.90-5,017.34-2,838.12

Finding the Fourth Proportional to 3,633.90, 5,017.34 and 2,838.12

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Solution

The fourth proportional to 3,633.90, 5,017.34 and 2,838.12 is: 3,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.90 : 5,017.34 = 2,838.12 : x
  2. Step 2: Convert to fraction form
    3,633.90/5,017.34 = 2,838.12/x
  3. Step 3: Cross multiply
    3,633.90x = 5,017.34 × 2,838.12
  4. Step 4: Simplify right side
    3,633.90x = 14,239,813.00
  5. Step 5: Solve for x
    x = 14,239,813.00/3,633.90
  6. Step 6: Final answer
    x = 3,918.60

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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.