Home / 2,561.51-3,833.55-1,637.70

Finding the Fourth Proportional to 2,561.51, 3,833.55 and 1,637.70

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Solution

The fourth proportional to 2,561.51, 3,833.55 and 1,637.70 is: 2,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.51 : 3,833.55 = 1,637.70 : x
  2. Step 2: Convert to fraction form
    2,561.51/3,833.55 = 1,637.70/x
  3. Step 3: Cross multiply
    2,561.51x = 3,833.55 × 1,637.70
  4. Step 4: Simplify right side
    2,561.51x = 6,278,204.84
  5. Step 5: Solve for x
    x = 6,278,204.84/2,561.51
  6. Step 6: Final answer
    x = 2,450.98

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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.