Home / 3,776.14-5,210.69-2,205.15

Finding the Fourth Proportional to 3,776.14, 5,210.69 and 2,205.15

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Solution

The fourth proportional to 3,776.14, 5,210.69 and 2,205.15 is: 3,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.14 : 5,210.69 = 2,205.15 : x
  2. Step 2: Convert to fraction form
    3,776.14/5,210.69 = 2,205.15/x
  3. Step 3: Cross multiply
    3,776.14x = 5,210.69 × 2,205.15
  4. Step 4: Simplify right side
    3,776.14x = 11,490,327.00
  5. Step 5: Solve for x
    x = 11,490,327.00/3,776.14
  6. Step 6: Final answer
    x = 3,042.88

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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.