Home / 2,731.30-4,097.99-1,636.45

Finding the Fourth Proportional to 2,731.30, 4,097.99 and 1,636.45

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Solution

The fourth proportional to 2,731.30, 4,097.99 and 1,636.45 is: 2,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.30 : 4,097.99 = 1,636.45 : x
  2. Step 2: Convert to fraction form
    2,731.30/4,097.99 = 1,636.45/x
  3. Step 3: Cross multiply
    2,731.30x = 4,097.99 × 1,636.45
  4. Step 4: Simplify right side
    2,731.30x = 6,706,155.74
  5. Step 5: Solve for x
    x = 6,706,155.74/2,731.30
  6. Step 6: Final answer
    x = 2,455.30

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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.