Home / 2,292.70-3,439.05-1,369.30

Finding the Fourth Proportional to 2,292.70, 3,439.05 and 1,369.30

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Solution

The fourth proportional to 2,292.70, 3,439.05 and 1,369.30 is: 2,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.70 : 3,439.05 = 1,369.30 : x
  2. Step 2: Convert to fraction form
    2,292.70/3,439.05 = 1,369.30/x
  3. Step 3: Cross multiply
    2,292.70x = 3,439.05 × 1,369.30
  4. Step 4: Simplify right side
    2,292.70x = 4,709,091.17
  5. Step 5: Solve for x
    x = 4,709,091.17/2,292.70
  6. Step 6: Final answer
    x = 2,053.95

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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.