Home / 3,838.60-5,763.30-2,380.60

Finding the Fourth Proportional to 3,838.60, 5,763.30 and 2,380.60

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Solution

The fourth proportional to 3,838.60, 5,763.30 and 2,380.60 is: 3,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.60 : 5,763.30 = 2,380.60 : x
  2. Step 2: Convert to fraction form
    3,838.60/5,763.30 = 2,380.60/x
  3. Step 3: Cross multiply
    3,838.60x = 5,763.30 × 2,380.60
  4. Step 4: Simplify right side
    3,838.60x = 13,720,111.98
  5. Step 5: Solve for x
    x = 13,720,111.98/3,838.60
  6. Step 6: Final answer
    x = 3,574.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.