Home / 1,080.03-1,621.18-532.58

Finding the Fourth Proportional to 1,080.03, 1,621.18 and 532.58

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Solution

The fourth proportional to 1,080.03, 1,621.18 and 532.58 is: 799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080.03 : 1,621.18 = 532.58 : x
  2. Step 2: Convert to fraction form
    1,080.03/1,621.18 = 532.58/x
  3. Step 3: Cross multiply
    1,080.03x = 1,621.18 × 532.58
  4. Step 4: Simplify right side
    1,080.03x = 863,400.60
  5. Step 5: Solve for x
    x = 863,400.60/1,080.03
  6. Step 6: Final answer
    x = 799.42

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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.