Home / 1,632.96-2,253.83-1,108.08

Finding the Fourth Proportional to 1,632.96, 2,253.83 and 1,108.08

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Solution

The fourth proportional to 1,632.96, 2,253.83 and 1,108.08 is: 1,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.96 : 2,253.83 = 1,108.08 : x
  2. Step 2: Convert to fraction form
    1,632.96/2,253.83 = 1,108.08/x
  3. Step 3: Cross multiply
    1,632.96x = 2,253.83 × 1,108.08
  4. Step 4: Simplify right side
    1,632.96x = 2,497,418.41
  5. Step 5: Solve for x
    x = 2,497,418.41/1,632.96
  6. Step 6: Final answer
    x = 1,529.38

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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.