Home / 2,862.53-4,285.45-1,763.56

Finding the Fourth Proportional to 2,862.53, 4,285.45 and 1,763.56

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Solution

The fourth proportional to 2,862.53, 4,285.45 and 1,763.56 is: 2,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.53 : 4,285.45 = 1,763.56 : x
  2. Step 2: Convert to fraction form
    2,862.53/4,285.45 = 1,763.56/x
  3. Step 3: Cross multiply
    2,862.53x = 4,285.45 × 1,763.56
  4. Step 4: Simplify right side
    2,862.53x = 7,557,655.76
  5. Step 5: Solve for x
    x = 7,557,655.76/2,862.53
  6. Step 6: Final answer
    x = 2,640.20

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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.