Home / 2,010.87-2,774.84-1,171.80

Finding the Fourth Proportional to 2,010.87, 2,774.84 and 1,171.80

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Solution

The fourth proportional to 2,010.87, 2,774.84 and 1,171.80 is: 1,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.87 : 2,774.84 = 1,171.80 : x
  2. Step 2: Convert to fraction form
    2,010.87/2,774.84 = 1,171.80/x
  3. Step 3: Cross multiply
    2,010.87x = 2,774.84 × 1,171.80
  4. Step 4: Simplify right side
    2,010.87x = 3,251,551.65
  5. Step 5: Solve for x
    x = 3,251,551.65/2,010.87
  6. Step 6: Final answer
    x = 1,616.99

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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.