Home / 2,801.25-4,193.37-1,869.35

Finding the Fourth Proportional to 2,801.25, 4,193.37 and 1,869.35

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Solution

The fourth proportional to 2,801.25, 4,193.37 and 1,869.35 is: 2,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.25 : 4,193.37 = 1,869.35 : x
  2. Step 2: Convert to fraction form
    2,801.25/4,193.37 = 1,869.35/x
  3. Step 3: Cross multiply
    2,801.25x = 4,193.37 × 1,869.35
  4. Step 4: Simplify right side
    2,801.25x = 7,838,855.24
  5. Step 5: Solve for x
    x = 7,838,855.24/2,801.25
  6. Step 6: Final answer
    x = 2,798.34

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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.