Home / 2,728.10-4,088.91-1,632.98

Finding the Fourth Proportional to 2,728.10, 4,088.91 and 1,632.98

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Solution

The fourth proportional to 2,728.10, 4,088.91 and 1,632.98 is: 2,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.10 : 4,088.91 = 1,632.98 : x
  2. Step 2: Convert to fraction form
    2,728.10/4,088.91 = 1,632.98/x
  3. Step 3: Cross multiply
    2,728.10x = 4,088.91 × 1,632.98
  4. Step 4: Simplify right side
    2,728.10x = 6,677,108.25
  5. Step 5: Solve for x
    x = 6,677,108.25/2,728.10
  6. Step 6: Final answer
    x = 2,447.53

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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.