Home / 2,730.70-4,097.13-1,269.19

Finding the Fourth Proportional to 2,730.70, 4,097.13 and 1,269.19

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Solution

The fourth proportional to 2,730.70, 4,097.13 and 1,269.19 is: 1,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.70 : 4,097.13 = 1,269.19 : x
  2. Step 2: Convert to fraction form
    2,730.70/4,097.13 = 1,269.19/x
  3. Step 3: Cross multiply
    2,730.70x = 4,097.13 × 1,269.19
  4. Step 4: Simplify right side
    2,730.70x = 5,200,036.42
  5. Step 5: Solve for x
    x = 5,200,036.42/2,730.70
  6. Step 6: Final answer
    x = 1,904.29

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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.