Home / 3,531.80-5,300.26-1,682.90

Finding the Fourth Proportional to 3,531.80, 5,300.26 and 1,682.90

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Solution

The fourth proportional to 3,531.80, 5,300.26 and 1,682.90 is: 2,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.80 : 5,300.26 = 1,682.90 : x
  2. Step 2: Convert to fraction form
    3,531.80/5,300.26 = 1,682.90/x
  3. Step 3: Cross multiply
    3,531.80x = 5,300.26 × 1,682.90
  4. Step 4: Simplify right side
    3,531.80x = 8,919,816.36
  5. Step 5: Solve for x
    x = 8,919,816.36/3,531.80
  6. Step 6: Final answer
    x = 2,525.57

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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.