Home / 4,801.29-7,199.31-1,680.48

Finding the Fourth Proportional to 4,801.29, 7,199.31 and 1,680.48

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Solution

The fourth proportional to 4,801.29, 7,199.31 and 1,680.48 is: 2,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.29 : 7,199.31 = 1,680.48 : x
  2. Step 2: Convert to fraction form
    4,801.29/7,199.31 = 1,680.48/x
  3. Step 3: Cross multiply
    4,801.29x = 7,199.31 × 1,680.48
  4. Step 4: Simplify right side
    4,801.29x = 12,098,296.47
  5. Step 5: Solve for x
    x = 12,098,296.47/4,801.29
  6. Step 6: Final answer
    x = 2,519.80

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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.