Home / 3,959.09-5,463.69-2,561.84

Finding the Fourth Proportional to 3,959.09, 5,463.69 and 2,561.84

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Solution

The fourth proportional to 3,959.09, 5,463.69 and 2,561.84 is: 3,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.09 : 5,463.69 = 2,561.84 : x
  2. Step 2: Convert to fraction form
    3,959.09/5,463.69 = 2,561.84/x
  3. Step 3: Cross multiply
    3,959.09x = 5,463.69 × 2,561.84
  4. Step 4: Simplify right side
    3,959.09x = 13,997,099.59
  5. Step 5: Solve for x
    x = 13,997,099.59/3,959.09
  6. Step 6: Final answer
    x = 3,535.43

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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.