Home / 2,801.41-3,865.96-1,542.44

Finding the Fourth Proportional to 2,801.41, 3,865.96 and 1,542.44

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Solution

The fourth proportional to 2,801.41, 3,865.96 and 1,542.44 is: 2,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.41 : 3,865.96 = 1,542.44 : x
  2. Step 2: Convert to fraction form
    2,801.41/3,865.96 = 1,542.44/x
  3. Step 3: Cross multiply
    2,801.41x = 3,865.96 × 1,542.44
  4. Step 4: Simplify right side
    2,801.41x = 5,963,011.34
  5. Step 5: Solve for x
    x = 5,963,011.34/2,801.41
  6. Step 6: Final answer
    x = 2,128.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.