Home / 2,867.02-3,954.09-1,871.53

Finding the Fourth Proportional to 2,867.02, 3,954.09 and 1,871.53

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Solution

The fourth proportional to 2,867.02, 3,954.09 and 1,871.53 is: 2,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.02 : 3,954.09 = 1,871.53 : x
  2. Step 2: Convert to fraction form
    2,867.02/3,954.09 = 1,871.53/x
  3. Step 3: Cross multiply
    2,867.02x = 3,954.09 × 1,871.53
  4. Step 4: Simplify right side
    2,867.02x = 7,400,198.06
  5. Step 5: Solve for x
    x = 7,400,198.06/2,867.02
  6. Step 6: Final answer
    x = 2,581.15

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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.