Home / 2,776.32-3,821.58-2,513.88

Finding the Fourth Proportional to 2,776.32, 3,821.58 and 2,513.88

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Solution

The fourth proportional to 2,776.32, 3,821.58 and 2,513.88 is: 3,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.32 : 3,821.58 = 2,513.88 : x
  2. Step 2: Convert to fraction form
    2,776.32/3,821.58 = 2,513.88/x
  3. Step 3: Cross multiply
    2,776.32x = 3,821.58 × 2,513.88
  4. Step 4: Simplify right side
    2,776.32x = 9,606,993.53
  5. Step 5: Solve for x
    x = 9,606,993.53/2,776.32
  6. Step 6: Final answer
    x = 3,460.33

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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.