Home / 2,832.16-3,909.45-1,653.25

Finding the Fourth Proportional to 2,832.16, 3,909.45 and 1,653.25

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Solution

The fourth proportional to 2,832.16, 3,909.45 and 1,653.25 is: 2,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.16 : 3,909.45 = 1,653.25 : x
  2. Step 2: Convert to fraction form
    2,832.16/3,909.45 = 1,653.25/x
  3. Step 3: Cross multiply
    2,832.16x = 3,909.45 × 1,653.25
  4. Step 4: Simplify right side
    2,832.16x = 6,463,298.21
  5. Step 5: Solve for x
    x = 6,463,298.21/2,832.16
  6. Step 6: Final answer
    x = 2,282.11

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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.