Home / 3,091.29-4,641.06-1,776.33

Finding the Fourth Proportional to 3,091.29, 4,641.06 and 1,776.33

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Solution

The fourth proportional to 3,091.29, 4,641.06 and 1,776.33 is: 2,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.29 : 4,641.06 = 1,776.33 : x
  2. Step 2: Convert to fraction form
    3,091.29/4,641.06 = 1,776.33/x
  3. Step 3: Cross multiply
    3,091.29x = 4,641.06 × 1,776.33
  4. Step 4: Simplify right side
    3,091.29x = 8,244,054.11
  5. Step 5: Solve for x
    x = 8,244,054.11/3,091.29
  6. Step 6: Final answer
    x = 2,666.87

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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.