Home / 1,631.08-2,442.39-899.14

Finding the Fourth Proportional to 1,631.08, 2,442.39 and 899.14

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Solution

The fourth proportional to 1,631.08, 2,442.39 and 899.14 is: 1,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.08 : 2,442.39 = 899.14 : x
  2. Step 2: Convert to fraction form
    1,631.08/2,442.39 = 899.14/x
  3. Step 3: Cross multiply
    1,631.08x = 2,442.39 × 899.14
  4. Step 4: Simplify right side
    1,631.08x = 2,196,050.54
  5. Step 5: Solve for x
    x = 2,196,050.54/1,631.08
  6. Step 6: Final answer
    x = 1,346.38

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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.