Home / 2,871.59-3,962.80-1,629.59

Finding the Fourth Proportional to 2,871.59, 3,962.80 and 1,629.59

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Solution

The fourth proportional to 2,871.59, 3,962.80 and 1,629.59 is: 2,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.59 : 3,962.80 = 1,629.59 : x
  2. Step 2: Convert to fraction form
    2,871.59/3,962.80 = 1,629.59/x
  3. Step 3: Cross multiply
    2,871.59x = 3,962.80 × 1,629.59
  4. Step 4: Simplify right side
    2,871.59x = 6,457,739.25
  5. Step 5: Solve for x
    x = 6,457,739.25/2,871.59
  6. Step 6: Final answer
    x = 2,248.84

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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.