Home / 1,533.20-2,299.80-1,101.20

Finding the Fourth Proportional to 1,533.20, 2,299.80 and 1,101.20

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Solution

The fourth proportional to 1,533.20, 2,299.80 and 1,101.20 is: 1,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.20 : 2,299.80 = 1,101.20 : x
  2. Step 2: Convert to fraction form
    1,533.20/2,299.80 = 1,101.20/x
  3. Step 3: Cross multiply
    1,533.20x = 2,299.80 × 1,101.20
  4. Step 4: Simplify right side
    1,533.20x = 2,532,539.76
  5. Step 5: Solve for x
    x = 2,532,539.76/1,533.20
  6. Step 6: Final answer
    x = 1,651.80

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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.