Home / 3,429.61-5,142.51-2,196.25

Finding the Fourth Proportional to 3,429.61, 5,142.51 and 2,196.25

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Solution

The fourth proportional to 3,429.61, 5,142.51 and 2,196.25 is: 3,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.61 : 5,142.51 = 2,196.25 : x
  2. Step 2: Convert to fraction form
    3,429.61/5,142.51 = 2,196.25/x
  3. Step 3: Cross multiply
    3,429.61x = 5,142.51 × 2,196.25
  4. Step 4: Simplify right side
    3,429.61x = 11,294,237.59
  5. Step 5: Solve for x
    x = 11,294,237.59/3,429.61
  6. Step 6: Final answer
    x = 3,293.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.