Home / 1,880.28-2,816.78-1,725.38

Finding the Fourth Proportional to 1,880.28, 2,816.78 and 1,725.38

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Solution

The fourth proportional to 1,880.28, 2,816.78 and 1,725.38 is: 2,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.28 : 2,816.78 = 1,725.38 : x
  2. Step 2: Convert to fraction form
    1,880.28/2,816.78 = 1,725.38/x
  3. Step 3: Cross multiply
    1,880.28x = 2,816.78 × 1,725.38
  4. Step 4: Simplify right side
    1,880.28x = 4,859,993.17
  5. Step 5: Solve for x
    x = 4,859,993.17/1,880.28
  6. Step 6: Final answer
    x = 2,584.72

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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.