Home / 2,762.40-4,164.26-2,579.08

Finding the Fourth Proportional to 2,762.40, 4,164.26 and 2,579.08

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Solution

The fourth proportional to 2,762.40, 4,164.26 and 2,579.08 is: 3,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.40 : 4,164.26 = 2,579.08 : x
  2. Step 2: Convert to fraction form
    2,762.40/4,164.26 = 2,579.08/x
  3. Step 3: Cross multiply
    2,762.40x = 4,164.26 × 2,579.08
  4. Step 4: Simplify right side
    2,762.40x = 10,739,959.68
  5. Step 5: Solve for x
    x = 10,739,959.68/2,762.40
  6. Step 6: Final answer
    x = 3,887.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.