Home / 3,986.33-5,502.36-2,570.02

Finding the Fourth Proportional to 3,986.33, 5,502.36 and 2,570.02

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Solution

The fourth proportional to 3,986.33, 5,502.36 and 2,570.02 is: 3,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.33 : 5,502.36 = 2,570.02 : x
  2. Step 2: Convert to fraction form
    3,986.33/5,502.36 = 2,570.02/x
  3. Step 3: Cross multiply
    3,986.33x = 5,502.36 × 2,570.02
  4. Step 4: Simplify right side
    3,986.33x = 14,141,175.25
  5. Step 5: Solve for x
    x = 14,141,175.25/3,986.33
  6. Step 6: Final answer
    x = 3,547.42

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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.