Home / 4,149.80-5,725.86-2,637.80

Finding the Fourth Proportional to 4,149.80, 5,725.86 and 2,637.80

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Solution

The fourth proportional to 4,149.80, 5,725.86 and 2,637.80 is: 3,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.80 : 5,725.86 = 2,637.80 : x
  2. Step 2: Convert to fraction form
    4,149.80/5,725.86 = 2,637.80/x
  3. Step 3: Cross multiply
    4,149.80x = 5,725.86 × 2,637.80
  4. Step 4: Simplify right side
    4,149.80x = 15,103,656.46
  5. Step 5: Solve for x
    x = 15,103,656.46/4,149.80
  6. Step 6: Final answer
    x = 3,639.61

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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.