Home / 2,786.09-4,177.34-1,551.80

Finding the Fourth Proportional to 2,786.09, 4,177.34 and 1,551.80

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Solution

The fourth proportional to 2,786.09, 4,177.34 and 1,551.80 is: 2,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.09 : 4,177.34 = 1,551.80 : x
  2. Step 2: Convert to fraction form
    2,786.09/4,177.34 = 1,551.80/x
  3. Step 3: Cross multiply
    2,786.09x = 4,177.34 × 1,551.80
  4. Step 4: Simplify right side
    2,786.09x = 6,482,383.23
  5. Step 5: Solve for x
    x = 6,482,383.23/2,786.09
  6. Step 6: Final answer
    x = 2,326.70

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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.