Home / 3,385.18-5,079.71-1,825.18

Finding the Fourth Proportional to 3,385.18, 5,079.71 and 1,825.18

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Solution

The fourth proportional to 3,385.18, 5,079.71 and 1,825.18 is: 2,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.18 : 5,079.71 = 1,825.18 : x
  2. Step 2: Convert to fraction form
    3,385.18/5,079.71 = 1,825.18/x
  3. Step 3: Cross multiply
    3,385.18x = 5,079.71 × 1,825.18
  4. Step 4: Simplify right side
    3,385.18x = 9,271,376.96
  5. Step 5: Solve for x
    x = 9,271,376.96/3,385.18
  6. Step 6: Final answer
    x = 2,738.81

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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.