Home / 3,050.96-4,210.62-1,872.80

Finding the Fourth Proportional to 3,050.96, 4,210.62 and 1,872.80

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Solution

The fourth proportional to 3,050.96, 4,210.62 and 1,872.80 is: 2,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.96 : 4,210.62 = 1,872.80 : x
  2. Step 2: Convert to fraction form
    3,050.96/4,210.62 = 1,872.80/x
  3. Step 3: Cross multiply
    3,050.96x = 4,210.62 × 1,872.80
  4. Step 4: Simplify right side
    3,050.96x = 7,885,649.14
  5. Step 5: Solve for x
    x = 7,885,649.14/3,050.96
  6. Step 6: Final answer
    x = 2,584.65

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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.