Home / 2,801.52-4,203.90-2,257.20

Finding the Fourth Proportional to 2,801.52, 4,203.90 and 2,257.20

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Solution

The fourth proportional to 2,801.52, 4,203.90 and 2,257.20 is: 3,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.52 : 4,203.90 = 2,257.20 : x
  2. Step 2: Convert to fraction form
    2,801.52/4,203.90 = 2,257.20/x
  3. Step 3: Cross multiply
    2,801.52x = 4,203.90 × 2,257.20
  4. Step 4: Simplify right side
    2,801.52x = 9,489,043.08
  5. Step 5: Solve for x
    x = 9,489,043.08/2,801.52
  6. Step 6: Final answer
    x = 3,387.11

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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.