Home / 1,629.30-2,442.47-533.10

Finding the Fourth Proportional to 1,629.30, 2,442.47 and 533.10

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Solution

The fourth proportional to 1,629.30, 2,442.47 and 533.10 is: 799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.30 : 2,442.47 = 533.10 : x
  2. Step 2: Convert to fraction form
    1,629.30/2,442.47 = 533.10/x
  3. Step 3: Cross multiply
    1,629.30x = 2,442.47 × 533.10
  4. Step 4: Simplify right side
    1,629.30x = 1,302,078.09
  5. Step 5: Solve for x
    x = 1,302,078.09/1,629.30
  6. Step 6: Final answer
    x = 799.16

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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.