Home / 2,632.88-3,633.36-1,638.32

Finding the Fourth Proportional to 2,632.88, 3,633.36 and 1,638.32

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Solution

The fourth proportional to 2,632.88, 3,633.36 and 1,638.32 is: 2,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.88 : 3,633.36 = 1,638.32 : x
  2. Step 2: Convert to fraction form
    2,632.88/3,633.36 = 1,638.32/x
  3. Step 3: Cross multiply
    2,632.88x = 3,633.36 × 1,638.32
  4. Step 4: Simplify right side
    2,632.88x = 5,952,606.36
  5. Step 5: Solve for x
    x = 5,952,606.36/2,632.88
  6. Step 6: Final answer
    x = 2,260.87

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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.