Home / 2,796.24-3,860.16-1,617.12

Finding the Fourth Proportional to 2,796.24, 3,860.16 and 1,617.12

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Solution

The fourth proportional to 2,796.24, 3,860.16 and 1,617.12 is: 2,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.24 : 3,860.16 = 1,617.12 : x
  2. Step 2: Convert to fraction form
    2,796.24/3,860.16 = 1,617.12/x
  3. Step 3: Cross multiply
    2,796.24x = 3,860.16 × 1,617.12
  4. Step 4: Simplify right side
    2,796.24x = 6,242,341.94
  5. Step 5: Solve for x
    x = 6,242,341.94/2,796.24
  6. Step 6: Final answer
    x = 2,232.41

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Half scale
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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.