Home / 2,331.02-3,218.75-1,548.56

Finding the Fourth Proportional to 2,331.02, 3,218.75 and 1,548.56

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Solution

The fourth proportional to 2,331.02, 3,218.75 and 1,548.56 is: 2,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.02 : 3,218.75 = 1,548.56 : x
  2. Step 2: Convert to fraction form
    2,331.02/3,218.75 = 1,548.56/x
  3. Step 3: Cross multiply
    2,331.02x = 3,218.75 × 1,548.56
  4. Step 4: Simplify right side
    2,331.02x = 4,984,403.66
  5. Step 5: Solve for x
    x = 4,984,403.66/2,331.02
  6. Step 6: Final answer
    x = 2,138.30

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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.