Home / 2,486.77-3,731.01-1,561.26

Finding the Fourth Proportional to 2,486.77, 3,731.01 and 1,561.26

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Solution

The fourth proportional to 2,486.77, 3,731.01 and 1,561.26 is: 2,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.77 : 3,731.01 = 1,561.26 : x
  2. Step 2: Convert to fraction form
    2,486.77/3,731.01 = 1,561.26/x
  3. Step 3: Cross multiply
    2,486.77x = 3,731.01 × 1,561.26
  4. Step 4: Simplify right side
    2,486.77x = 5,825,076.67
  5. Step 5: Solve for x
    x = 5,825,076.67/2,486.77
  6. Step 6: Final answer
    x = 2,342.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.