Home / 1,880.28-2,813.82-1,292.52

Finding the Fourth Proportional to 1,880.28, 2,813.82 and 1,292.52

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Solution

The fourth proportional to 1,880.28, 2,813.82 and 1,292.52 is: 1,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.28 : 2,813.82 = 1,292.52 : x
  2. Step 2: Convert to fraction form
    1,880.28/2,813.82 = 1,292.52/x
  3. Step 3: Cross multiply
    1,880.28x = 2,813.82 × 1,292.52
  4. Step 4: Simplify right side
    1,880.28x = 3,636,918.63
  5. Step 5: Solve for x
    x = 3,636,918.63/1,880.28
  6. Step 6: Final answer
    x = 1,934.24

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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.