Home / 3,642.84-5,027.96-2,579.51

Finding the Fourth Proportional to 3,642.84, 5,027.96 and 2,579.51

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Solution

The fourth proportional to 3,642.84, 5,027.96 and 2,579.51 is: 3,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.84 : 5,027.96 = 2,579.51 : x
  2. Step 2: Convert to fraction form
    3,642.84/5,027.96 = 2,579.51/x
  3. Step 3: Cross multiply
    3,642.84x = 5,027.96 × 2,579.51
  4. Step 4: Simplify right side
    3,642.84x = 12,969,635.06
  5. Step 5: Solve for x
    x = 12,969,635.06/3,642.84
  6. Step 6: Final answer
    x = 3,560.31

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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.