Home / 2,776.12-3,830.82-1,534.12

Finding the Fourth Proportional to 2,776.12, 3,830.82 and 1,534.12

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Solution

The fourth proportional to 2,776.12, 3,830.82 and 1,534.12 is: 2,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.12 : 3,830.82 = 1,534.12 : x
  2. Step 2: Convert to fraction form
    2,776.12/3,830.82 = 1,534.12/x
  3. Step 3: Cross multiply
    2,776.12x = 3,830.82 × 1,534.12
  4. Step 4: Simplify right side
    2,776.12x = 5,876,937.58
  5. Step 5: Solve for x
    x = 5,876,937.58/2,776.12
  6. Step 6: Final answer
    x = 2,116.96

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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.