Home / 1,082.04-1,621.68-503.64

Finding the Fourth Proportional to 1,082.04, 1,621.68 and 503.64

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Solution

The fourth proportional to 1,082.04, 1,621.68 and 503.64 is: 754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.04 : 1,621.68 = 503.64 : x
  2. Step 2: Convert to fraction form
    1,082.04/1,621.68 = 503.64/x
  3. Step 3: Cross multiply
    1,082.04x = 1,621.68 × 503.64
  4. Step 4: Simplify right side
    1,082.04x = 816,742.92
  5. Step 5: Solve for x
    x = 816,742.92/1,082.04
  6. Step 6: Final answer
    x = 754.82

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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.