Home / 3,838.12-5,295.30-2,265.16

Finding the Fourth Proportional to 3,838.12, 5,295.30 and 2,265.16

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Solution

The fourth proportional to 3,838.12, 5,295.30 and 2,265.16 is: 3,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.12 : 5,295.30 = 2,265.16 : x
  2. Step 2: Convert to fraction form
    3,838.12/5,295.30 = 2,265.16/x
  3. Step 3: Cross multiply
    3,838.12x = 5,295.30 × 2,265.16
  4. Step 4: Simplify right side
    3,838.12x = 11,994,701.75
  5. Step 5: Solve for x
    x = 11,994,701.75/3,838.12
  6. Step 6: Final answer
    x = 3,125.15

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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.