Home / 2,480.49-3,398.30-2,387.08

Finding the Fourth Proportional to 2,480.49, 3,398.30 and 2,387.08

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Solution

The fourth proportional to 2,480.49, 3,398.30 and 2,387.08 is: 3,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.49 : 3,398.30 = 2,387.08 : x
  2. Step 2: Convert to fraction form
    2,480.49/3,398.30 = 2,387.08/x
  3. Step 3: Cross multiply
    2,480.49x = 3,398.30 × 2,387.08
  4. Step 4: Simplify right side
    2,480.49x = 8,112,015.23
  5. Step 5: Solve for x
    x = 8,112,015.23/2,480.49
  6. Step 6: Final answer
    x = 3,270.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.