Home / 2,756.43-3,803.86-1,637.11

Finding the Fourth Proportional to 2,756.43, 3,803.86 and 1,637.11

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Solution

The fourth proportional to 2,756.43, 3,803.86 and 1,637.11 is: 2,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.43 : 3,803.86 = 1,637.11 : x
  2. Step 2: Convert to fraction form
    2,756.43/3,803.86 = 1,637.11/x
  3. Step 3: Cross multiply
    2,756.43x = 3,803.86 × 1,637.11
  4. Step 4: Simplify right side
    2,756.43x = 6,227,344.05
  5. Step 5: Solve for x
    x = 6,227,344.05/2,756.43
  6. Step 6: Final answer
    x = 2,259.21

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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.