Home / 4,260.96-5,878.31-2,489.49

Finding the Fourth Proportional to 4,260.96, 5,878.31 and 2,489.49

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Solution

The fourth proportional to 4,260.96, 5,878.31 and 2,489.49 is: 3,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.96 : 5,878.31 = 2,489.49 : x
  2. Step 2: Convert to fraction form
    4,260.96/5,878.31 = 2,489.49/x
  3. Step 3: Cross multiply
    4,260.96x = 5,878.31 × 2,489.49
  4. Step 4: Simplify right side
    4,260.96x = 14,633,981.51
  5. Step 5: Solve for x
    x = 14,633,981.51/4,260.96
  6. Step 6: Final answer
    x = 3,434.43

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1.5x scale

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.