Home / 2,921.01-4,029.39-1,871.25

Finding the Fourth Proportional to 2,921.01, 4,029.39 and 1,871.25

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Solution

The fourth proportional to 2,921.01, 4,029.39 and 1,871.25 is: 2,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.01 : 4,029.39 = 1,871.25 : x
  2. Step 2: Convert to fraction form
    2,921.01/4,029.39 = 1,871.25/x
  3. Step 3: Cross multiply
    2,921.01x = 4,029.39 × 1,871.25
  4. Step 4: Simplify right side
    2,921.01x = 7,539,996.04
  5. Step 5: Solve for x
    x = 7,539,996.04/2,921.01
  6. Step 6: Final answer
    x = 2,581.30

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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.