Home / 3,329.60-4,996.80-1,383.20

Finding the Fourth Proportional to 3,329.60, 4,996.80 and 1,383.20

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Solution

The fourth proportional to 3,329.60, 4,996.80 and 1,383.20 is: 2,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.60 : 4,996.80 = 1,383.20 : x
  2. Step 2: Convert to fraction form
    3,329.60/4,996.80 = 1,383.20/x
  3. Step 3: Cross multiply
    3,329.60x = 4,996.80 × 1,383.20
  4. Step 4: Simplify right side
    3,329.60x = 6,911,573.76
  5. Step 5: Solve for x
    x = 6,911,573.76/3,329.60
  6. Step 6: Final answer
    x = 2,075.80

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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.