Home / 3,646.49-5,032.54-2,231.12

Finding the Fourth Proportional to 3,646.49, 5,032.54 and 2,231.12

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Solution

The fourth proportional to 3,646.49, 5,032.54 and 2,231.12 is: 3,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.49 : 5,032.54 = 2,231.12 : x
  2. Step 2: Convert to fraction form
    3,646.49/5,032.54 = 2,231.12/x
  3. Step 3: Cross multiply
    3,646.49x = 5,032.54 × 2,231.12
  4. Step 4: Simplify right side
    3,646.49x = 11,228,207.65
  5. Step 5: Solve for x
    x = 11,228,207.65/3,646.49
  6. Step 6: Final answer
    x = 3,079.18

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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.