Home / 2,801.90-4,201.44-1,632.28

Finding the Fourth Proportional to 2,801.90, 4,201.44 and 1,632.28

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Solution

The fourth proportional to 2,801.90, 4,201.44 and 1,632.28 is: 2,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.90 : 4,201.44 = 1,632.28 : x
  2. Step 2: Convert to fraction form
    2,801.90/4,201.44 = 1,632.28/x
  3. Step 3: Cross multiply
    2,801.90x = 4,201.44 × 1,632.28
  4. Step 4: Simplify right side
    2,801.90x = 6,857,926.48
  5. Step 5: Solve for x
    x = 6,857,926.48/2,801.90
  6. Step 6: Final answer
    x = 2,447.60

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1.5x scale

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.