Home / 2,765.88-4,132.82-2,328.48

Finding the Fourth Proportional to 2,765.88, 4,132.82 and 2,328.48

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Solution

The fourth proportional to 2,765.88, 4,132.82 and 2,328.48 is: 3,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.88 : 4,132.82 = 2,328.48 : x
  2. Step 2: Convert to fraction form
    2,765.88/4,132.82 = 2,328.48/x
  3. Step 3: Cross multiply
    2,765.88x = 4,132.82 × 2,328.48
  4. Step 4: Simplify right side
    2,765.88x = 9,623,194.53
  5. Step 5: Solve for x
    x = 9,623,194.53/2,765.88
  6. Step 6: Final answer
    x = 3,479.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.