Home / 3,525.85-4,863.99-2,108.71

Finding the Fourth Proportional to 3,525.85, 4,863.99 and 2,108.71

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Solution

The fourth proportional to 3,525.85, 4,863.99 and 2,108.71 is: 2,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.85 : 4,863.99 = 2,108.71 : x
  2. Step 2: Convert to fraction form
    3,525.85/4,863.99 = 2,108.71/x
  3. Step 3: Cross multiply
    3,525.85x = 4,863.99 × 2,108.71
  4. Step 4: Simplify right side
    3,525.85x = 10,256,744.35
  5. Step 5: Solve for x
    x = 10,256,744.35/3,525.85
  6. Step 6: Final answer
    x = 2,909.01

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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.