Home / 3,820.80-5,744.16-3,050.64

Finding the Fourth Proportional to 3,820.80, 5,744.16 and 3,050.64

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Solution

The fourth proportional to 3,820.80, 5,744.16 and 3,050.64 is: 4,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.80 : 5,744.16 = 3,050.64 : x
  2. Step 2: Convert to fraction form
    3,820.80/5,744.16 = 3,050.64/x
  3. Step 3: Cross multiply
    3,820.80x = 5,744.16 × 3,050.64
  4. Step 4: Simplify right side
    3,820.80x = 17,523,364.26
  5. Step 5: Solve for x
    x = 17,523,364.26/3,820.80
  6. Step 6: Final answer
    x = 4,586.31

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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.