Home / 2,862.57-4,292.06-1,628.29

Finding the Fourth Proportional to 2,862.57, 4,292.06 and 1,628.29

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Solution

The fourth proportional to 2,862.57, 4,292.06 and 1,628.29 is: 2,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.57 : 4,292.06 = 1,628.29 : x
  2. Step 2: Convert to fraction form
    2,862.57/4,292.06 = 1,628.29/x
  3. Step 3: Cross multiply
    2,862.57x = 4,292.06 × 1,628.29
  4. Step 4: Simplify right side
    2,862.57x = 6,988,711.72
  5. Step 5: Solve for x
    x = 6,988,711.72/2,862.57
  6. Step 6: Final answer
    x = 2,441.41

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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.