Home / 1,633.08-2,253.12-1,003.28

Finding the Fourth Proportional to 1,633.08, 2,253.12 and 1,003.28

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Solution

The fourth proportional to 1,633.08, 2,253.12 and 1,003.28 is: 1,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.08 : 2,253.12 = 1,003.28 : x
  2. Step 2: Convert to fraction form
    1,633.08/2,253.12 = 1,003.28/x
  3. Step 3: Cross multiply
    1,633.08x = 2,253.12 × 1,003.28
  4. Step 4: Simplify right side
    1,633.08x = 2,260,510.23
  5. Step 5: Solve for x
    x = 2,260,510.23/1,633.08
  6. Step 6: Final answer
    x = 1,384.20

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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.