Home / 1,355.16-2,033.58-533.29

Finding the Fourth Proportional to 1,355.16, 2,033.58 and 533.29

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Solution

The fourth proportional to 1,355.16, 2,033.58 and 533.29 is: 800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.16 : 2,033.58 = 533.29 : x
  2. Step 2: Convert to fraction form
    1,355.16/2,033.58 = 533.29/x
  3. Step 3: Cross multiply
    1,355.16x = 2,033.58 × 533.29
  4. Step 4: Simplify right side
    1,355.16x = 1,084,487.88
  5. Step 5: Solve for x
    x = 1,084,487.88/1,355.16
  6. Step 6: Final answer
    x = 800.27

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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.