Home / 3,264.60-4,897.38-1,072.80

Finding the Fourth Proportional to 3,264.60, 4,897.38 and 1,072.80

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Solution

The fourth proportional to 3,264.60, 4,897.38 and 1,072.80 is: 1,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.60 : 4,897.38 = 1,072.80 : x
  2. Step 2: Convert to fraction form
    3,264.60/4,897.38 = 1,072.80/x
  3. Step 3: Cross multiply
    3,264.60x = 4,897.38 × 1,072.80
  4. Step 4: Simplify right side
    3,264.60x = 5,253,909.26
  5. Step 5: Solve for x
    x = 5,253,909.26/3,264.60
  6. Step 6: Final answer
    x = 1,609.36

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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.